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Mental health outcomes before psychotropic medications: a retrospective case series of one state hospital records from 1945 to 1954



Current outcomes for mental illness are widely regarded as poor. Since the introduction of psychotropic medications in the mid 1950’s, previous psychosocial practices were minimized in favor of medication focused treatment. The majority of large U.S. state hospitals have closed with records destroyed or in storage, inaccessible to researchers. This creates barriers to studying and comparing outcomes before and after this shift in treatment practices.


The study aim was to examine discharge outcomes in relation to length of stay and diagnosis in one U.S. state hospital.


This case series study examined 5618 medical records of participants admitted to one state hospital from 1945 to 1954, the decade prior to adoption of psychotropic medications.


Of the 3332 individuals who left the facility, over half (59.87%) of first episode hospitalizations were discharged within 1 year, and 16.95% were hospitalized for more than 5 years. 46.17% of all admissions were discharged from hospital with no readmission. The most common diagnoses included schizophrenia, other forms of psychosis, and alcoholism. In the decade before the introduction of psychotropic medications, participants were often admitted for a single episode and returned to their homes within several years.


Although limited to one site, findings suggest that discharge outcomes prior to psychotropic medication as a primary treatment for mental illness may be more positive than previously understood.

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Standard mental healthcare practices in the first half of the twentieth century included insulin shock therapy, sensory deprivation, and lobotomies, as well as anticonvulsant and barbiturate drugs, none resulting in significant improvements in psychiatric symptoms [1]. By the 1930s, practices at state psychiatric hospitals included occupation-based activities such as vocational training, farming chores, food preparation, laundry and other daily tasks, recreational activities, sensory-based interventions such as music, massage, and hydrotherapy, and extensive social services including family care (placement in a private home with non-relatives) for community re-entry [2, 3]. With the introduction of the first psychotropic medication, chlorpromazine, known as Thorazine, in the mid-1950s, there were high expectations of the new “miracle drugs” that would dramatically improve mental health outcomes [4]. At the time, there were references to the ‘euphoric quietude’ brought about by psychotropic medication chlorpromazine or Thorazine and the hope that medication would fundamentally change psychiatric outcomes [5, 6]. Following approval from the U.S. Food and Drug Administration in 1954, treatment shifted to primarily supporting a medication-based model within state psychiatric hospitals, with fewer resources available for psychosocial and occupation-based care [7, 8]. This trend has continued over the intervening decades, even as many state psychiatric hospitals were shut-down and more services for people with serious mental illness (SMI) were provided within the community [9].

As pharmacological treatments became one of the primary practices within mental health care, and the pharmaceutical industry gained influence, research investigating the outcomes of psychosocial treatments fell out of political interest. The National Institute of Mental Health’s funding for research decreased by 5% each year from 1965 until 1972, for a total decrease of 30% [10, 11].

Despite the plethora of pharmacological treatments today, and the booming pharmaceutical industry, adult disability rates have increased from 1 in every 468 adults in 1955 to 1 in every 59 adults in 2013 [12]. Approximately 2.5 – 3.5 million people who have serious mental illness live in poverty with poor and unstable housing [13]. The incarceration rate for those with mental illness has more than tripled since the 1960s, with approximately 2.2 million currently in prisons and jails which do not have the resources to provide mental healthcare [14]. Moreover, treatment stays are lengthening. In 2015, the average median length of stay for patients admitted to state-run psychiatric hospitals was 75 days [15] which is markedly above findings from a 2006 study, which excluded long-term care facilities and government hospitals, that found the average length of stay to be 10 ± 3 days [16].

To make improvements in mental healthcare practices, it can be useful to understand the history of mental healthcare in the U.S., including discharge outcomes prior to this shift in resources and practices that began in the mid 1950’s [10, 17, 18]. Although much of this data has been absent in the literature, it is possible to preserve and digitize remaining records to allow study comparing outcomes prior to the introduction of psychotropic medication, which marked the drastic shift in resources and practices away from psychosocial rehabilitation to current medication-focused treatment that is regarded as best practice.


Previous studies investigating outcomes for individuals at state psychiatric hospitals are sparse and provide varying definitions and estimates of discharge status and lengths of stay [19]. These studies, however, provide insight into the numbers of those admitted into state psychiatric hospitals, what diagnoses individuals were given, and length of stay. In one multi-state study, the mean length of stay for patients with schizophrenia in the 1950s was over 13 years [20, 21], but less than 50% of patients were hospitalized for 8 years, bringing the median length of stay for all diagnoses to under 8 years [21]. Other studies highlight a contrasting image in showing successful discharge of patients over time. Rates of discharge from first admissions dramatically increased from 54.9% of patients with a diagnosis of schizophrenia discharged within ten years of admission between 1913 and 22 to 72.5% of patients with a schizophrenia diagnosis discharged within ten years of admission between 1943 and 52 [22]. This increase in discharge did not result in a corresponding increase in readmission rates, meaning that a greater percentage of people were discharged to the community and never re-hospitalized [22]. This data is consistent with other studies of psychiatric outcomes during the time period prior to the introduction of psychotropic medications in the mid-1950’s. At a state psychiatric hospital in New York in the mid-1940s, 44.27% of patients diagnosed with schizophrenia were never readmitted and 49.9% were not in the hospital at follow-up 5 years after first admission [23]. In the Ohio State Mental Hospital between 1948 and 1952, Locke [24] observed that within 5 years of first admission, 70% (n = 5781) of all patients hospitalized were discharged. Furthermore, 40% of individuals diagnosed with schizophrenia were discharged within 6 months of first admission and 70% of individuals diagnosed with schizophrenia were discharged within 2 years of their first admission [24]. Variables such as marriage, employment, education, and age were all positive predictors of discharge from the hospital [24].

A potential reason for the vast differences in these discharge rates is the lack of a uniform definition of what constitutes discharge [24]. For many patients diagnosed with schizophrenia, the actual time spent in the hospital is much less than indicated by the admission and discharge date [24]. In many state psychiatric hospitals, patients left the hospital and returned to the community in order to ensure they had the skills and resources needed to succeed or return to the hospital if their condition worsened. A current issue faced when studying historical mental health outcomes is the varied approaches that researchers have taken in determining what constitutes a discharge. Each hospital and facility had a unique system of documenting the medical record of admitted patients [25]. Literature that combines data from different hospitals fails to recognize many of the unique characteristics that are important to document along with discharge. For example, a multi-state analysis of first admissions of patients within the year of 1954 provided only discharge status, which was limited to whether the patient died, was released, or retained [26]. This leaves much unknown regarding the condition of the patient at discharge [26].

In a review of first admissions to psychiatric hospital studies, [19] provided statistical reporting from literature that examined outcomes of patients diagnosed with schizophrenia. The discharge data provided was limited to death, discharge, or still in the hospital. In addition, the authors included that their data on discharge was only an estimation of what happened. Whether the patient was improved or unimproved, discharged to the care of family or independently, and if the discharge was planned or via escape is unknown to the reader. Discharge circumstances and environment are crucial in predicting successful outcomes from mental illness and the existing literature and available data provide limited information on these areas [27].

The primary goal of the researchers was to capitalize on a rare and unique opportunity to study and compare discharge outcomes before and after the shift to primarily medical model care in the mid-1950s, at one U.S. state psychiatric hospital that has continually provided services since 1859. The aims of this first study were to explore the various types of discharge between 1945 and 1954 and to systematically categorize each type of discharge to enable further study. An additional goal of this study was to examine different discharge outcome variables in relation to length of stay and re-hospitalizations of individuals between 1945 and 1954 and discharged any time after first admission.


This retrospective case series study examined 5618 unique medical records of participants with a first time (episode) admission at one Midwestern state psychiatric hospital from 1945 through 1954. This period of time represents the decade just prior to the introduction of psychotropic medications as the primary treatment for mental illness.


Data sources

Physical (non-digitized) medical records with episode information about each patient were reviewed with data entered into a spreadsheet on a password protected computer. An example of the medical records can be seen on Fig. 1. Data were de-identified using the Safe Harbor Method [28, 29]. Upon de-identification, data were stored on an encrypted flash drive throughout the study.

Fig. 1
figure 1

Data Source from Medical Index Cards. Note. Above is a figure of the index card from which data originated from, with all identifying information redacted


In order to uncover the meaning of the various discharge types, it was necessary to examine the records to uncover how each designated status was used. Each medical record listed the type of leave, be it discharge or otherwise, discharge status and the date that was it given. This system allowed the hospital to track participants each time they would enter and exit the hospital. Variables as shown in Table 1 included in this sample were: age at first admission, gender, diagnosis, and race.

Table 1 Patient demographics and diagnosis

Condition on discharge status

Of those discharged into the community, a condition on discharge [30]. was recorded. The condition upon discharge statuses were observed and their corresponding definitions can be found in Table 2. Patients were often placed on long term leave and formally discharged after several months to years at which point they were given a condition on discharge status. Thus, the researchers found the data difficult to accurately represent condition upon discharge as the condition was often assigned months after initial leave from hospital [23]. For that reason, we analyzed the actual physical index cards and determined four types: community discharge, death, escape, or transfer. These categories more accurately represent how discharge is defined and determined today.

Table 2 Condition upon discharge codes

Inclusion criteria for the study included all medical records of participants hospitalized for the first time beginning January 1, 1945 through December 31, 1954. Individuals who were first admitted before the dates of the study and were readmitted during studies time were excluded from analysis. Additionally, participants who were admitted outside of the study dates were excluded from analysis. Data entry into the database began in March 2015 until March 2021.

Planned analysis

After coding the initial sample, data was imported into SPSS, version 27, for univariate statistical analysis. Data was cleaned and transformed extensively using R. Packages used included dplyr, base, stringr, and forcats. After the process of cleaning and transforming, data was coded. Univariate analysis was then completed in order to determine frequencies and distributions of the samples’ various demographic variables. Additional univariate analysis was conducted to create mean and median for each subcategories of diagnosis and their respective length of stay associated with their admission.


The data collection consisted of 5618 unique medical records from participants that had been admitted to the hospital beginning on January 1, 1945 and ending December 31, 1954. The entire sample is comprised of 2680 male and 2929 female participants. Nine cases had missing data for gender. The mean age for the 5508 cases with data related to age (110 missing cases) upon first admission was observed being 52.3 (SD = 20.2). Of the 5618 admissions, 2286 (40.69%) individuals died while in the hospital, and 3332 (59.31%) were discharged alive and never readmitted to the same hospital. The median length of stay for people who were discharged from the hospital was 230 days.

It is noteworthy that such a high percentage of individuals, slightly over 40%, died during their hospital stay. This can be understood by a brief description of the nature of state psychiatric hospitals in the United States in the first half of the twentieth century. Psychiatric hospitals were utilized for much more than short term psychiatric stabilization than they are currently. Before the introduction of skilled nursing homes, psychiatric hospitals were often used for the treatment of dementia, post-stroke care, and other cardiovascular conditions. This can be seen for example in the 790 participants with the diagnosis of Psychosis with Cerebral Arteriosclerosis, of which 573 (73%) died in the hospital. Similarly, of the 384 participants diagnosed with Senile Psychosis Simple Deterioration, 319 (83%) died in the hospital. In addition, patients with syphilis or tuberculosis were treated in psychiatric hospitals. Of the 105 patients diagnosed with Psychosis with Syphilis Menigo Encephalitis, 50 died (47.62%) in the hospital. It is unclear how many of the hospitalized patients also had tuberculosis as a co-occurring disorder. Cause of death was not present in the medical record. The entire sample’s n and frequencies of death can be observed in Table 1.

The sample included a total of 48 categories of racial identity. The most occurring race observed in the sample was “Mixed,” n = 3112 followed by second most occurring race was “German,” n = 520. The top ten racial identities and frequencies included in the sample can be observed in Table 1.

Condition upon discharge status

There was a total of 11 subcategories of condition upon discharge statuses in the full sample (n = 3332) as shown in Table 3. Aside from death, the most frequent status was "improved", comprising 1750 (31.1%) individuals. The remaining condition upon discharge statuses observed in the full sample can be observed in Table 3.

Table 3 Observed condition upon discharge

Length of stay for community discharge status and diagnosis

Over three thousand (n = 3332) of first episode admissions were discharged into the community. Of these participants with a discharge, total n = 1995 (59.87%) of participants were discharged within their first year of admission. Admissions longer than 5 years include a total n = 565 (16.95%).

Due to first episode length of stay being non-normally distributed, both the mean and median length of stay for each diagnosis is reported. For example, the mean length of stay for Schizophrenia, Catatonic Type is 1377.7 days where the median length of stay is 234 days. Table 4 provides a complete breakdown of the mean and median length of stay separated by diagnosis for patients discharged from the hospital into the community.

Table 4 Length of stay by diagnosis for patients who were discharged from hospital


The findings of this study provide needed data about the outcomes of participants admitted to one state psychiatric hospital before the introduction of psychotropic medication. The results demonstrate that in the decade before the introduction of chlorpromazine, there exists ample evidence that participants were routinely admitted for only a single episode. The vast majority of participants were discharged into the community following inpatient psychiatric service within several years, with the median length of stay being 230 days. Over half of individuals were discharged within 1 year of admission to the hospital. Only 19.01% had a length of stay over 5 years, mirroring findings within previous literature [24]. These results do not support the narrative that before the introduction of psychotropic medications, the majority of individuals who were hospitalized for psychiatric care had lengths of stay that lasted many years or even decades [4,5,6].

Additional findings of note include those individuals with a diagnosis of the different schizophrenia subtypes, who had the longest mean lengths of stay. By contrast, individuals with a diagnosis of alcoholism had a much shorter length of stay. This may be related to the culturally bound constructs surrounding individuals with substance use disorders, and whether they are considered mental health conditions or merely poor moral conduct.

This study provides further value by addressing and determining the different type of discharge status and environments participants were released to, which are documented as being crucial when predicting successful psychiatric outcomes [27]. Previous studies have left out the differing types of discharge status which leaves out imperative information on the condition of participants upon discharge [25]. In fact, when the 40.69%% of participants who died in the hospital were excluded from the final analysis of discharge status, the most common discharge status was improved, followed by unimproved, only 301 participants. This speaks to the issue of individuals admitted to psychiatric hospitals with senile conditions and other age-related organic brain disorders being co-mingled within samples at the time.

Many patients who were admitted to state psychiatric hospitals also had multiple diagnoses, often suffering from physical ailments or, experiencing the effects of natural aging. Prior to the 1980s, many patients with dementia or related organic brain disorders were treated in state psychiatric hospitals, whereas after 1980 they were more likely to be treated in skilled nursing facilities [31]. This “lumping together” of psychiatric conditions with physical and cognitive disabilities provides misleading data about both lengths of stay and outcomes such as death. This study was able to separate individuals who died in the hospital from those who were discharged from the hospital. This is important because people who died in the hospital were often admitted for non-psychiatric conditions, such as dementia, tuberculosis, syphilis, and stroke. Findings provide additional context into the nature of psychiatric hospitalization prior to the introduction of Thorazine. Further study is needed to compare psychiatric hospital outcomes in the first half of the twentieth century to today, as diagnoses and discharge are reported differently. This study demonstrates the importance of exploring historical data and posits that outcomes prior to medication as a primary treatment for mental health illness were more positive than was previously understood.


The current study only examined first episode length of stay. This information is provided in the sample but the current study did not analyze the readmission statistics included. Additionally, participants could have been admitted to other inpatient or outpatient psychiatric services after discharge, although there were minimal alternatives at that time.

Another limitation includes the difference between how we currently classify mental health diagnoses and discharge compared to previous classifications [32]. This creates difficulty when attempting to draw conclusions from past to current constructs. A third limitation is the lack of information about cause of death for the 2286 individuals who died in the hospital. Since many of them had non-psychiatric illnesses, their death may have been related to physical illnesses but is unknown.

Due to the lack of clarity on what treatments were being used at the time and their specific effect on participants, it is difficult to draw conclusions that explain these results. Therapies such as psychotherapy, work, and occupational therapy were all treatments that were provided during the time frame of the study [33]. What specifically was responsible for the discharge outcomes is unknown.

Study implications

Future study of current data is needed in order to examine and explore the relationships that age, race, gender, and education have with both diagnosis and length of stay. Previously, variables including gender, employment status, education level, and age have been recorded as being positive predictors of discharge from psychiatric hospital [24]. Given the richness of data included in this study of over 5000 individuals, these variables can be more closely examined to determine the relationship between demographics and diagnosis, length of stay, and discharge status. Study of the historical data provides a more complete understanding of what psychiatric outcomes were and what they looked like at the time just prior to the shift to psychotropic treatment and deinstitutionalization [10, 17, 18].

An additional area for future study includes comparison of treatment interventions and their related outcomes. Prior to the shift to a pharmacologically-dominated model, typical state hospital treatment included occupational, music, and recreation therapies, sensory-based therapies including massage and hydrotherapy, and extensive social services including family care to provide supports as participants transitioned gradually to the community [3]. The researchers plan to study the detailed historical records that have been preserved at this state psychiatric hospital. Study of this qualitative data will provide a more robust understanding of discharges, lengths of stay, and how they were affected by the psychosocial rehabilitation services that participants received during this period.

Availability of data and materials

The research data, consisting of protected patient information, cannot be shared publicly due to privacy concerns and restriction by the State of Michigan.


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This study was supported by the Western Michigan University’s Presidential Innovative Research Professorship, awarded to the first author. This funding body had no role in the design or implementation of the study or manuscript.

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All four authors contributed substantially to the project, the resulting paper, and have reviewed the final journal submission version. AC, SL, and JH developed the original proposal. All four completed the data entry process and participated in the analysis and writing of the manuscript. No outside editorial services were used. The authors all agree to be personally accountable for their contributions and for any potential issues of the work as a whole that may require resolution documented in the literature.

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Correspondence to Ann Chapleau.

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This retrospective case series was ethically approved by the Michigan Department of Health and Human Services Institutional Review Board, Log # 201503-01-XA. No consent of human subjects was required due to study design.

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Chapleau, A., Harrison, J., Love, S. et al. Mental health outcomes before psychotropic medications: a retrospective case series of one state hospital records from 1945 to 1954. BMC Health Serv Res 23, 257 (2023).

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