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Table 3 Mean values and results of repeated measures analyses of variance: symptom 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.
SAPS scales ( multivariate )      1.372 .256 36.896 <.0005 4.475 .003
  hallucinations 1.48 (.82) .22 (.50) 1.72 (1.00) .76 (.89) 4.210 .045 126.744 <.0005 2.433 .124
  delusions 1.85 (.82) .44 (.41) 1.79 (.93) 1.15 (.76) 3.573 .064 116.570 <.0005 16.464 <.0005
  Bizarre behavior .85 (.73) .29 (.39) .61 (.70) .49 (.49) .243 .624 17.415 <.0005 3.635 .062
  positive formal thought disorder .98 (1.08) .48 (.68) .91 (.82) .52 (.49) .002 .963 18.452 <.0005 .282 .598
SANS scales ( multivariate )      1.611 .173 8.128 <.0005 .631 .677
  Affective flattening or blunting 1.43 (1.35) .87 (.83) 1.93 (1.44) 1.25 (1.09)       
  alogia 1.45 (.85) .82 (.91) 1.74 (1.21) 1.38 (1.19)       
  Avolition / apathy 1.18 (1.37) .76 (1.30) 1.30 (1.47) 1.01 (.98)       
  Anhedonia / asociality 1.49 (1.26) .58 (.96) 1.88 (1.24) 1.26 (1.09)       
  attention 1.13 (1.26) .53 (1.21) 1.45 (1.27) .75 (.85)       
PD-S scales ( multivariate )      2.293 .110 12.812 <.0005 3.405 .040
  Paranoid thinking 94.06 (8.90) 78.56 (22.02) 95.53 (7.12) 89.65 (15.05) 4.665 .035 20.519 <.0005 4.160 .046
  Depression 85.83 (16.97) 68.93 (24.53) 83.81 (28.92) 79.64 (26.19) .587 .447 13.749 <.0005 5.017 .029