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Table 3 For those who changed from unfit to plead to fit as judged by their treating psychiatrist, one way ANOVA of change in measures of functional capacity between Time 1 and Time 2

From: Functional mental capacity, treatment as usual and time: magnitude of change in secure hospital patients with major mental illness

Mean (standard deviation) No change in clinicians’ assessment of fitness to plead, n = 31 Change in clinicians’ assessment of fitness to plead, n = 6 Effect size ANOVA
Mean SD mean SD Cohen’s d 95 % confidence interval F P
N = 31 N = 6 Lower Upper
MacCAT-T difference T2 − T1
 Understanding difference 0.61 1.3 2.7 1.7 1.38 0.45 2.31 10.8 0.002
 Reasoning difference 1.62 3.1 1.5 4.0 0.03 −0.84 0.91 0.0 0.930
 Appreciation difference 0.64 1.3 0.75 1.4 0.08 −0.79 0.96 0.0 0.857
 Total difference 2.9 4.4 4.9 6.4 0.36 −0.51 1.24 0.9 0.344
MacCAT-FP difference T2 − T1
 Understanding difference 0.83 3.6 5.7 4.9 1.13 0.22 2.04 7.9 0.008
 Reasoning difference 0.58 3.1 4.5 3.4 1.20 0.29 2.12 7.9 0.008
 Appreciation difference 0.42 3.5 5.50 5.0 1.17 0.26 2.09 9.4 0.004
 Total difference 1.80 8.8 15.7 12.1 1.31 0.39 2.24 11.1 0.002
  1. Note that six who had been unfit became fit by T2
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