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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.