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Table 2 Logistic Regression analyses examining behavioural and treatment-related predictors of outcome at MHRT

From: Predictors of Mental Health Review Tribunal (MHRT) outcome in a forensic inpatient population: a prospective cohort study

Predictor

Section Upheld

(n = 51)

Discharge

(n = 28)

OR

(95% CI)

P Value

Behavioural factors

Index offence: n (%)

 Assault, ABH, GBH, wounding

27 (54.0)

14 (51.9)

(ref)

-----

-----

 Murder, attempted murder, manslaughter

4 (8.0)

7 (25.9)

3.38

(0.84 to 13.52)

0.09

 Sexual offence

12 (24.0)

2 (7.4)

0.32

(0.06 to 1.64)

0.17

 Other

7 (14.0)

4 (14.8)

1.10

(0.28 to 4.42)

0.89

HCR-20 scores: mean (SD)

 Total score

26.8 (5.4)

21.3 (4.0)

0.80

(0.71 to 0.90)

<0.001

 H Scale

14.5 (2.6)

14.2 (3.0)

0.95

(0.80 to 1.14)

0.60

 C Scale

6.0 (2.7)

3.1 (1.9)

0.61

(0.48 to 0.79)

<0.001

 R Scale

6.2 (2.5)

4.0 (2.0)

0.66

(0.52 to 0.84)

0.001

Substance use in an inpatient setting, past 12 months: n (%)

16 (32.0)

7 (25.9)

0.74

(0.26 to 2.12)

0.58

Aggression in an inpatient setting, past 12 months: n (%)

 No

17 (34.0)

20 (76.9)

(ref)

-----

-----

 Verbal only

16 (32.0)

4 (15.4)

0.21

(0.06 to 0.76)

0.02

 Attempted or actual physical violence

17 (34.0)

2 (7.7)

0.10

(0.02 to 0.49)

0.005

Inappropriate sexual behaviour in an inpatient setting, past 12 months: n (%)

10 (20.0)

2 (7.7)

3.00

(0.61 to 14.86)

0.18

Agitated behaviour in an inpatient setting, past 12 months: n (%)

37 (74.0)

13 (50.0)

0.35

(0.13 to 0.95)

0.04

Absconded or escaped, ever: n (%)

22 (44.0)

6 (23.1)

0.38

(0.13 to 1.11)

0.08

Treatment-related factors

Engagement in psychological therapy: n (%)

 Engaged with good attendance

16 (33.3)

14 (53.8)

(ref)

-----

-----

 Missed sessions or refused to engage

25 (52.1)

10 (38.5)

0.46

(0.16 to 1.28)

0.14

 Not offered/unable to attend

7 (14.6)

2 (7.7)

0.33

(0.06 to 1.84)

0.20

Medication noncompliance, ever: n (%)

26 (52.0)

9 (36.0)

0.52

(0.19 to 1.39)

0.19

Depot: n (%)

13 (26.0)

6 (23.1)

0.85

(0.28 to 2.59)

0.78

Clozapine: n (%)

11 (22.0)

8 (30.8)

1.58

(0.54 to 4.59)

0.40

  1. Note. OR: odds ratio; n: subgroup sample size; CI: confidence interval; SD: standard deviation; ABH: actual bodily harm; GBH: grievous bodily harm; HCR-20: Historical Clinical Risk-20; H Scale: historical scale; C Scale: clinical scale; R Scale: risk scale. Missing data: index offence (n = 2); HCR-20 total score (n = 7); HCR-20 H Scale (n = 7); HCR-20 C Scale (n = 7); HCR-20 R Scale (n = 7); substance use in an inpatient setting (n = 2); aggression in an inpatient setting (n = 3); inappropriate sexual behaviour in an inpatient setting (n = 3); agitated behaviour in an inpatient setting (n = 3); absconded or escaped, ever (n = 3); engagement in psychological therapy (n = 5); medication noncompliance, ever (n = 4); depot (n = 3); Clozapine (n = 3). For all variables, ‘past 12 months’, ‘current’, and ‘recent’ is relative to the time of the initial census