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Table 4 Measurements for MCT and waiting list comparison group compared before treatment (T1, September 2009), after treatment or equivalent delay for waiting list patients (T2, March 2010) and differences

From: Effects of group metacognitive training (MCT) on mental capacity and functioning in patients with psychosis in a secure forensic psychiatric hospital: a prospective-cohort waiting list controlled study

  T1 (baseline) T2 (after treatment or waiting list) T2-T1 differences
  No MCT MCT T/p No MCT MCT T/p No MCT MCT T/p
Mac-CAT-T          
Understanding 4.2(1.3) 4.7(1.2) −0.9/>0.3 3.6(1.1) 5.1(0.9) −3.1/0.008 −0.5(0.5) +0.5(0.9) −3.0/0.009
Reasoning 5.0(1.9) 5.5(2.0) −0.5/>0.5 4.1(1.9) 6.2(1.1) −2.6/0.023 −0.9(2.2) +0.9(2.1) −1.7/>0.1
Appreciation 2.5(1.6) 2.7(1.5) −0.3/>0.7 2.4(1.5) 2.6(1.5) −0.4/>0.7 −0.13(0.9) −0.1(1.6) −0.01/>0.9
Total 11.8(4.3) 12.9(4.1) −0.6/>0.5 10.3(3.9) 13.9(2.5) −2.3/0.041 −1.5(2.9) +1.3(3.9) −1.7/>0.1
Mac-CAT-FP          
Understanding 9.8(3.8) 9.8(3.5) −0.04/>0.9 10.6(3.7) 10.6(2.6) −0.7/>0.3 0.9(2.0) 2.2(1.7) −1.5/>0.1
Reasoning 7.1(1.9) 7.4(1.6) −0.3/>0.7 5.9(2.1) 7.8(2.2) −1.95/>0.05 −1.3(1.9) 0.5(1.6) −1.9/>0.05
Appreciation 8.3(3.5) 8.6(2.7) −0.03/>0.7 9.0(2.4) 9.4(2.7) −0.3/>0.7 0.8(2.7) 0.7(1.6) 0.02/>0.9
Total 23.9(7.5) 25.5(6.5) −0.5/>0.6 25.1(7.0) 29.2(7.1) −1.2/>0.2 1.3(5.9) 3.6(5.1) −0.9/>0.3
GAF 54.6(8.7) 50.6(9.5) 0.9/>0.3 48.0(6.9) 57.2(9.8) −2.6/0.021 −6.6(8.7) 6.6(12.0) −2.8/0.012
PANSS          
PANSS positive 14.0(6.3) 11.4(3.7) 1.1/>0.2 15.3(5.4) 13.5(4.4) 0.8/>0.4 1.3(3.9) 2.2(4.9) 0.5/>0.6
PANSS negative 17.5(4.7) 17.7(6.7) 0.1/>0.9 20.5(4.2) 16.6(6.5) 0.6/>0.1 3.0(3.8) −1.1(6.5) 1.7/>0.1
PANSS general 27.0(6.6) 31.7(8.6) −1.4/>0.2 30.0(5.3) 29.4(10.2) 0.2/>0.8 3.0(4.9) −2.4(8.3) 1.8/>0.1
PANSS total 58.8(14.9) 60.7(15.2) −0.3/>0.7 66.0(8.3) 59.5(18.0) 1.0/>0.3 7.3(10.5) −1.2(18.6) 1.3/>0.2
  1. Means (standard deviations), T statistic with equal variances not assumed, p values 2-tailed.