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Table 2 Mean values and results of repeated measures analyses of variance: neurocognitive measures

From: Cognitive remediation improves cognition and good cognitive performance increases time to relapse – results of a 5 year catamnestic study in schizophrenia patients

 

EG (n = 30)

CG (n = 30)

Main effect

Main effect

Interaction

 

Pretest

Posttest

Pretest

Posttest

“group”

“time”

“time x group”

Measure

mean (SD)

mean (SD)

mean (SD)

mean (SD)

F(4/55) mv.

p

F(2/57) mv.

p

F(2/57) mv.

p

F(1/58) uv.

F(1/58) uv.

F(1/58) uv.

Attention ( multivariate )

    

.578

.680

5.266

.001

4.606

.003

  Degraded CPT omissions

15.48 (14.45)

10.54 (10.99)

15.44 (14.60)

13.92 (12.77)

.029

.866

5.830

.019

1.639

.206

  Degraded CPT comissions

2.59 (2.28)

1.03 (1.49)

1.85 (1.95)

1.98 (3.45)

.038

.847

6.086

.017

8.561

.005

  3-7 CPT omissions

26.05 (16.24)

18.70 (13.34)

23.80 (14.23)

24.07 (16.85)

.205

.652

3.537

.065

4.104

.047

  3-7CPT comissions

1.68 (1.71)

0.89 (0.92)

1.87 (2.14)

1.81 (2.35)

1.562

.216

4.971

.030

3.725

.059

Memory ( multivariate )

    

1.557

.220

63.811

<.0005

51.214

<.0005

  WMS composite scoreverbal memory

83.03 (18.16)

103.27 (15.74)

84.23 (24.58)

87.10 (21.63)

2.267

.138

47.757

<.0005

26.993

<.0005

  WMS composite scorevisual memory

77.23 (12.62)

101.03 (12.03)

83.57 (16.44)

83.27 (18.73)

2.597

.112

48.653

<.0005

51.170

<.0005

Problem solving ( multivariate )

    

1.694

.179

7.895

<.0005

20.416

<.0005

  WCST % total errors

28.69 (3.84)

19.94 (3.45)

25.23 (8.71)

27.78 (7.90)

2.188

.145

17.427

<.0005

57.793

<.0005

  WCST % failure to maintain set

6.79 (3.80)

3.28 (2.12)

5.66 (4.29)

6.47 (4.82)

1.263

.266

10.590

.002

26.918

<.0005

  WCST % perseveration errors

9.11 (4.45)

2.87 (2.22)

7.53 (5.42)

8.74 (6.45)

3.920

.052

15.192

<.0005

33.180

<.0005

  TMT B-A

80,53 (48,93)

53.13 (23.65)

88.13 (56.80)

77.47 (49.42)

2.147

.148

14.513

<.0005

2.804

.046

Speed of processing

    

1.120

.333

11.489

<.0005

2.026

.141

  TMT A performance time

49.43 (20.21)

40.77 (16.49)

49.90 (20.27)

46.20 (15.19)

      

  TMT B performance time

129.97 (63.70)

93.90 (37.04

138.03 (72.96)

123.67 (56.66)