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Table 2 Performances of patients with schizophrenia and healthy controls on standard battery and BACS battery tests

From: Cross-cultural adaptation and validation of the Arabic version of the BACS scale (the brief assessment of cognition in schizophrenia) among chronic schizophrenic inpatients

  Patients with Schizophrenia (N = 120) Composite Z score of patients with schizophrenia Healthy control
(N = 60)
P value of the raw scores
Raw score,
Mean ± SD
Raw score,
Mean ± SD
Standard battery test 241.8 ± 125.2 − 3.7 432.0 ± 52.0 < .001
 Free and Cued Recall test (RL/RI-16) 25.9 ± 14.8 − 2.2 44.3 ± 8.3 < .001
 Digit span sequencing from the WAIS-IV 10.0 ± 3.4 − 0.9 13.4 ± 3.6 < .001
 The Trail Making Test A (TMT-A) 150.7 ± 91.4 −4.6 48.9 ± 22.1 < .001
 Verbal Fluency test 19.6 ± 8.5 −2.1 36.4 ± 8.1 < .001
  Fruit category 11.1 ± 4.6 −2.3 21.5 ± 4.6 < .001
  Letter B 4.7 ± 2.7 −1.2 8.2 ± 2.9 < .001
  Letter F 3.8 ± 2.6 −0.9 6.7 ± 3.1 < .001
 Digit Symbol Coding from the WAIS-IV 19.2 ± 14.2 − 2.0 54.3 ± 17.4 < .001
 Block design test from the WAIS-IV 17.9 ± 11.5 − 1.4 32.5 ± 10.8 < .001
BACS Battery test 109.9 ± 47.2 −2.9 221.7 ± 38.5 < .001
 List learning test 20.9 ± 9.6 − 2.1 41.1 ± 9.4 < .001
 Digit sequencing 10.6 ± 5.5 − 1.9 19.3 ± 4.4 < .001
 Token motor task 35.7 ± 15.0 − 2.4 70.7 ± 14.4 < .001
 Verbal fluency 20.4 ± 9.2 −1.5 34.6 ± 9.2 < .001
  Animal category 11.5 ± 4.7 −1.6 18.1 ± 4.1 < .001
  Letter G 4.2 ± 2.7 −1.0 7.4 ± 3.2 < .001
  Letter M 4.7 ± 3.4 −1.1 9.1 ± 3.9 < .001
 Symbol coding 12.2 ± 12.4 −2.4 38.0 ± 10.7 < .001
 Tower of London 9.9 ± 7.7 −2.1 17.9 ± 3.7 < .001