Skip to main content

Table 3 Distribution of predictor variables by importance after forward selection

From: Factors and predictors of length of stay in offenders diagnosed with schizophrenia - a machine-learning-based approach

variable

short length-of-stay

n/N (%)

long length-of-stay

n/N (%)

p-value*

1. Victim injured severly/fataly

18/60 (30)

39/68 (68.4)

0.002

2. Index crime: (attempted) homicide

19/72 (26.4)

33/71 (46.5)

0.015

3. Index crime: sexual abuse of children

0/72 (0)

3/71 (4.2)

0.120

4. Selfharming during current hospitalization

10/70 (14.3)

6/71 (37.5)

0.301

5. Index crime: threat, coercion

27/72 (37.5)

22/71 (31)

0.482

6. Index crime: property crime with violence

3/72 (4.2)

4/71 (4.9)

0.719

7. PANSS at admission (mean, SD)

23 (11.89)

25.61 (12.90)

0.277

8. Experience of poverty in childhood/adolescence

25/63 (39.7)

22/62 (35.5)

0.713

9. Hallucinations described in past psychiatric history

40/72 (55.6)

46/71 (64.8)

0.307

  1. Note. SD Standard deviation
  2. * p-value derived from Fisher’s exact test; p-value variables “PANSS at admission” derived from Mann-Whitney-U-test