The incidence of adverse events in an Italian acute care hospital: findings of a two-stage method in a retrospective cohort study

Table 1 Figure of selected inpatients ordinary admissions

Variable	Absolute frequency	%
Passage to RF2
No	1,380	91.9
YES	121	8.1
Number of adverse events	46	3.3
Classes of age
<1 year	6	0.4
1 - 15 years	5	0.3
16 - 44 years	353	23.5
45 - 64 years	392	26.1
≥ 65 years	745	49.6
Gender
Male	793	52.8
Female	708	47.2
Lenght of stay for unit of discharge
(median and interquartile range)
Medical wards	5 (7)
Surgical wards	7 (10)
Intensive Care Unit	18 (32)
Type of admission
Elective	641	42.8
Mandatory compulsory obligatory	9	0.6
Emergency	851	56.7
Referral source
Different mode from ordinary admission	4	0.3
Emergency Department of the same hospital	832	55.4
General Practicioner or Specialist	636	42.4
Transfered form other facility	29	1.9
Discharge unit
Medical ward	1,186	79.0
Surgical ward	292	19.5
Intensive Care Unit	23	1.5
Residence
Other Italian Region	77	5.1
Lazio Region	1,424	94.9
Citizenship
Italian	1,415	94.3
Foreign	86	5.7
Marital status
Not Married	292	19.5
Married	939	62.6
Separatoìed	44	2.9
Divorced	38	2.5
Widow	188	12.5
Age (mean and standard deviation)	60 (19)
Charlson Index (median and interquartile range)	0 (1)

ISSN: 1472-6963