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Table 1 Characteristics of patients included in statistical analysis vs. those excluded

From: Does psychopathology at admission predict the length of inpatient stay in psychiatry? Implications for financing psychiatric services

Variables

N (%)

N = 2,004

N (%)

N = 3,220

N (%)

N = 5,224)

Sociodemography

   

Age (Median, IQR)

44 (59-33) ****

43 (54-32) ****

43 (56-32)

Sex, male

1109 (55.3)

1697 (52.7)

2806 (62.3)

Marital status, married

351 (18.8)

603 (19.9)

954 (19.5)

Employment status, employed

488 (26.8)

873 (27.9)

1361 (27.5)

Living situation, own home

1068 (74.2)

1958 (72.1)

3026 (72.8)

Clinical variables

   

Psychiatric disorder, only main diagnosis

   

Organic disorder (ICD-10, F0), yes

182 (9.1) ****

190 (5.9) ****

372 (7.1)

Substance disorder (ICD-10, F1), yes

444 (22.2)

728 (22.6)

1172 (22.4)

Psychotic disorder (ICD-10, F2), yes

495 (24.7) ****

946 (29.4) ****

1441 (27.6)

Affective disorder (ICD-10, F3), yes

332 (16.6) **

642 (19.9) **

974 (18.6)

Anxiety disorder (ICD-10, F4), yes

165 (8.2) *

324 (10.1) *

489 (9.4)

Behavioural, psychosomatic disorders (ICD-10, F5), yes

6 (0.3)

8 (0.2)

14 (0.3)

Personality disorder (ICD-10, F6), yes

148 (7.4)

245 (7.6)

393 (7.5)

Severity of illness at admission, markedly to extremely ill

1446 (80.2) ****

2176 (70.4) ****

3622 (74.0)

Psychosocial Functioning (Median, IQR) §

45 (55-35)

45 (56-33)

45 (55-33)

Severity of illness at discharge (improvement during hospital stay), unchanged to extremely worse

228 (13.2)

381 (12.8)

609 (12.9)

Length of stay

21 (42-9) *

23 (45-10) *

22 (44-10)

  1. Abbreviations: IQR = interquartile range. * p < 0.05, ** p < 0.01, **** p < 0.0001.
  2. Sample comparisons were done by the Chi-Square Test.
  3. Sample comparison was done by the T-Test.
  4. § Sample comparison was done by the nonparametric Mann Whitney U-Test.
  5. Not all variables sum up to N = 3,220/N = 2,004 due to missing values as follows: 189/141 missings concerning marital status, 503/565 missings concerning living situation, 89/184 missings concerning employment status, 127/202 missings concerning severity of illness at admission, 270/1,264 missings concerning psychosocial functioning, 240/283 missings concerning severity of illness at discharge.