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Table 2 Comparison of neuro-cognitive function subtests across inpatient and outpatient groups

From: Cognitive dysfunction among inpatients and outpatients with schizophrenia: relationship to positive and negative symptoms

Variables Inpatient group (n = 100) Outpatient group (n = 100) P value*
Mean ± SD Mean ± SD
WAIS
WAIS—total 89.41 ± 10.46 86.99 ± 10.72 0.108
WAIS—verbal 95.61 ± 13.22 92.33 ± 11.50 0.063
WAIS—performance 87.00 ± 12.34 85.74 ± 13.51 0.492
MMSE 21.05 ± 454 21.85 ± 4.57 0.215
WCST
Category completed 2.21 ± 179 2.75 ± 2.07 0.05
Total errors 67.35 ± 20.12 61.97 ± 23.65 0.085
Preservative errors 21.00 ± 15.74 12.54 ± 0.099 0.0921
Non-preservative errors 46.60 ± 29.67 28.98 ± 1.41 0.160
Time to complete 1st category 20.21 ± 21.39 20.44 ± 0.585 0.559
PANSS
Positive symptoms 15.6 ± 5.21 15.74 ± 5.22 0.539
Negative symptoms 19.18 ± 5.39 19.64 ± 5.19 0.432
General psychopathology 41.95 ± 12.35 42.58 ± 10.66 0.7
  1. WAIS Wechsler Adult Intelligence Scale, MMSE Mini-Mental State Examination, WCST Wisconsin Card Sorting Test, PANSS Positive and Negative Syndrome Scale
  2. *Independent t test