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Table 2 Paired t test evaluating differences in mean scores of functional capacity, GAF and PANSS at time 1 and 2

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

  Time 1 Time 2 Time 2-Time 1 Effect size ANOVA
Mean SD Mean SD Mean difference 95 % CI Cohen’s d 95 % confidence interval T p
N = 37 N = 37 N = 37 Lower Upper Lower Upper df = 36 2-tailed
MacCAT-T
 Understanding 4.1 1.8 5.1 1.4 0.9 0.4 1.5 0.62 0.15 1.09 3.6 0.001
 Reasoning 3.0 2.6 4.7 2.8 1.6 0.5 2.7 0.63 0.16 1.09 3.0 0.004
 Appreciation 1.7 1.6 2.3 1.5 0.7 0.2 1.1 0.39 −0.07 0.85 3.2 0.003
 Total 8.9 5.1 12.1 5.0 3.2 1.6 4.8 0.63 0.17 1.10 4.1 <0.001
MacCAT-FP
 Understanding 10.9 5.0 12.5 4.4 1.6 2.2 3.0 0.34 −0.12 0.79 2.3 0.025
 Reasoning 6.5 3.8 7.7 3.4 1.2 0.1 2.4 0.33 −0.13 0.79 2.2 0.038
 Appreciation 7.3 4.5 8.6 3.8 1.2 0.1 2.6 0.31 −0.14 0.77 1.8 0.075
 Total 24.8 12.5 28.8 10.4 4.1 0.5 7.6 0.54 0.07 1.00 2.3 0.025
GAF 49.8 16.5 59.7 16.0 9.8 4.2 15.5 0.61 0.14 1.08 3.6 0.001
PANSS
 PANSS positive 15.7 8.1 12.2 5.7 −3.6 −5.7 −1.5 0.49 0.04 0.96 −3.5 0.001
 PANSS negative 20.1 6.9 17.4 7.9 −2.7 −5.5 0.1 0.38 −0.07 0.84 −1.9 0.058
 PANSS general 34.5 7.9 27.4 8.0 −7.1 −9.7 −4.4 0.89 0.42 1.37 −5.4 <0.001
 PANSS total 70.4 17.3 56.6 19.5 −13.8 −19.8 −7.7 0.75 0.28 1.22 −4.7 <0.001
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