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Table 2 Clinical characteristics of voluntary and involuntary patients admitted to 4 psychiatric hospitals in Switzerland (N = 5027)

From: Factors associated with involuntary hospitalisation for psychiatric patients in Switzerland: a retrospective study

Characteristics

VH (n = 3109)

IH (n = 1918)

p-value

Effect size

Main diagnosis at discharge (ICD-10), % (n)

 Organic, including symptomatic, mental disorders (F00-F09)

3.0 (89)

14.8 (264)

<.0001a

V = .21d

 Mental and behavioural disorders due to use of alcohol (F10)

10.8 (323)

10.1 (180)

.446a

V = .01c

 Mental and behavioural disorders due to psychoactive substance use (F11-F19)

9.9 (296)

4.9 (88)

<.0001a

V = .08c

 Schizophrenia, schizotypal and delusional disorders (F20-F29)

18.6 (555)

29.1 (518)

<.0001a

V = .12c

 Manic and bipolar affective disorders (F30-F31)

4.8 (142)

6.7 (119)

.005a

V = .04c

 Mood [affective] disorders (manic and bipolar affective disorders excluded) (F32-F39)

23.7 (709)

11.0 (196)

<.0001a

V = .15c

 Neurotic, stress-related and somatoform disorders (F40-F48)

13.7 (408)

8.2 (146)

<.0001a

V = .08c

 Behavioural syndromes associated with physiological disturbances and physical factors (F50-F59)

0.6 (19)

0.3 (6)

.167a

V = .02c

 Disorders of adult personality and behaviour (F60-F69)

11.6 (345)

9.4 (167)

.019a

V = .03c

 Mental retardation (F70-F79)

1.1 (34)

2.2 (39)

.004a

V = .04c

 Disorders of psychological development (F80-F89)

0.8 (24)

0.8 (14)

.949a

V = .00c

 Behavioural and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)

0.9 (27)

1.0 (17)

.858a

V = .00c

 Other non-mental disorders

0.5 (16)

1.5 (26)

.001a

V = .05c

Comorbidity at discharge (ICD-10), % (n)

 F10-F19

8.6 (257)

8.9 (159)

.697a

V = .01c

 F60-F69

18.3 (547)

11.6 (206)

<.0001a

V = .10c

HoNOS scores at admission, Mean (SD) Mdn (IQR)

 Overactive, aggressive, disruptive or agitated behaviour

0.8 (1.2)

0.0 (2.0)

1.7 (1.5)

2.0 (3.0)

<.0001b

r = −.30e

 Non-accidental self-injury

0.7 (1.3)

0.0 (1.0)

0.7 (1.2)

0.0 (1.0)

.011b

r = −.04c

 Problem drinking or drug-taking

1.2 (1.6)

0.0 (3.0)

1.1 (1.5)

0.0 (2.0)

.006b

r = −.04c

 Cognitive problems

0.7 (1.1)

0.0 (1.0)

1.3 (1.4)

1.0 (2.0)

<.0001b

r = −.18c

 Physical illness or disability problems

0.7 (1.2)

0.0 (1.0)

1.0 (1.4)

0.0 (2.0)

<.0001b

r = −.10c

 Problems associated with hallucinations and delusions

0.7 (1.3)

0.0 (1.0)

1.4 (1.6)

0.0 (3.0)

<.0001b

r = −.21d

 Problems with depressed mood

2.3 (1.3)

3.0 (1.0)

1.8 (1.4)

2.0 (3.0)

<.0001b

r = −.18c

 Other mental and behavioural problems

2.0 (1.4)

2.0 (2.0)

2.0 (1.4)

2.0 (3.0)

.212b

r = −.02c

 Problems with relationships

1.5 (1.2)

2.0 (2.0)

1.8 (1.3)

2.0 (2.0)

<.0001b

r = −.12c

 Problems with activities of daily living

1.1 (1.2)

1.0 (2.0)

1.6 (1.4)

2.0 (3.0)

<.0001b

r = −.16c

 Problems with living conditions

1.2 (1.4)

1.0 (2.0)

1.3 (1.4)

1.0 (2.0)

.090b

r = −.03c

 Problems with occupation and activities

1.6 (1.3)

2.0 (3.0)

1.8 (1.4)

2.0 (3.0)

.0002b

r = −.06c

 Problems with psychotropic medication compliance (additional item)

0.7 (1.2)

0.0 (1.0)

1.5 (1.5)

1.0 (3.0)

<.0001b

r = −.23d

At least one psychiatric hospitalisation during the last 12 months, % (n)

45.0 (1405)

34.7 (666)

<.0001a

V = .10c

At least one medical involuntary psychiatric hospitalisation during the last 12 months, % (n)

13.9 (431)

22.1 (424)

<.0001a

V = .11c

At least one civil involuntary psychiatric hospitalisation during the last 12 months, % (n)

1.1 (34)

4.1 (79)

<.0001a

V = .10c

Number of inpatient days during the last 12 months, Mean (SD) Mdn (IQR)

20.0 (36.2)

0.0 (26.8)

16.4 (37.6)

0.0 (14.9)

<.0001b

r = −.10c

  1. VH Voluntary Hospitalisation, IH Involuntary Hospitalisation, SD Standard Deviation, Mdn median, IQR interquartile range
  2. a Pearson’s Chi-square. b Mann-Whitney U Test
  3. cSmall effect dMedium effect eLarge effect