Appropriateness of psychotropic drug prescriptions in the elderly: structuring tools based on data extracted from the hospital information system to understand physician practices

Table 2 Characteristics of patients aged 75 and over who were administered at least two psychotropic drugs and one long half-life benzodiazepine (cases, N = 349) compared to patients aged 75 and over who were not administered such a prescription (controls, N = 16,294) during their hospital stay; Bordeaux, from July 2014 to July 2015

Characteristics	Cases (N=349)		Controls (N=16294)
Characteristics	N	%	N	%
Gender^a
Male	139	40.0	7450	45.7
Female	210	60.0	8844	54.3
Stay with high level of severity^a
Yes	245	70.2	5698	35.0
No	104	29.8	10596	65.0
Primary diagnosis during stay^b
Cognitive symptoms^a	42	12.0	316	1.9
Vascular dementia^a	20	5.7	53	0.3
Mood symptoms^a	18	5.2	31	0.2
Psychiatric disorders^b
Dementia^a	127	36.4	1750	10.7
Mood disorders^a	93	26.6	1155	7.1
Anxiety disorders^a	94	26.9	1177	7.2
Alcohol addiction^a	26	7.4	340	2.1
Dependence^a	137	39.3	2580	15.8
Social status
Living alone at home^a	21	6.0	492	3.0
Requiring nursing home entry^a	18	5.2	295	1.8

^aStatistically significant difference (level of significance = 5%)
^bCodes of the International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10): Cognitive symptoms (R41); Vascular Dementia (F01); Mood symptoms (R45); Dementia (F00, F01, F02, F03); Mood disorders (F32, F33, F38, F39); Anxiety disorders (F40, F41, F42, F43); Alcohol addiction (F10)

ISSN: 1472-6963