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Table 2 Comparison of the scores of normal controls and schizophrenic patients (analysis of variance (ANOVA)) above and below 40 years of age, with t test as post hoc test

From: The standardised copy of pentagons test

  Controls Patients with schizophrenia P value
  Mean SD Mean SD  
Below 40 years
RLT-A 100.00 0.00 71.43 45.72 < 0.001
RLT-B 84.14 21.31 65.00 40.05 < 0.001
SCPT-1 100.00 0.00 98.02 14.00 NS
SCPT-2 100.00 0.00 92.16 26.87 < 0.05
SCPT-3 98.29 13.00 93.14 25.27 NS
SCPT-4 59.17 32.80 57.93 33.02 NS
SCPT-5 84.83 31.64 66.73 39.63 < 0.01
SCPT-6 79.48 32.14 68.12 35.03 < 0.05
SCPT-7 77.59 31.17 61.39 32.08 < 0.01
SCPT-8 93.45 24.28 96.24 18.62 NS
SCPT-9 89.74 27.93 76.44 38.24 < 0.05
SCPT-10 84.83 31.64 86.53 30.08 NS
SCPT-11 64.67 31.74 47.86 33.32 < 0.01
SCPT-12 80.83 34.64 47.26 41.35 < 0.001
SCPT-13 94.98 21.67 93.28 24.76 NS
SCPT-14 100.00 0.00 100.00 0.00 NS
SCPT-15 100.00 0.00 100.00 0.00 NS
SCPT 1307.86 140.59 1185.09 161.50 < 0.001
Above 40 years
RLT-A 96.77 17.96 84.62 37.55 NS
RLT-B 87.13 15.98 62.46 43.00 < 0.01
SCPT-1 100.00 0.00 96.67 18.26 NS
SCPT-2 97.25 16.50 100.00 0.00 NS
SCPT-3 100.00 0.00 96.70 18.07 NS
SCPT-4 64.44 31.12 53.73 38.83 NS
SCPT-5 77.78 36.34 60.00 40.68 NS
SCPT-6 80.56 31.80 74.33 34.31 NS
SCPT-7 74.72 32.14 69.67 32.98 NS
SCPT-8 97.36 15.83 96.83 17.34 NS
SCPT-9 81.11 35.84 91.50 25.94 NS
SCPT-10 75.56 37.37 84.00 32.55 NS
SCPT-11 65.03 34.61 45.73 34.34 < 0.05
SCPT-12 70.11 40.89 56.30 42.25 NS
SCPT-13 97.31 16.17 87.07 33.54 NS
SCPT-14 100.00 0.00 100.00 0.00 NS
SCPT-15 100.00 0.00 100.00 0.00 NS
SCPT 1281.22 151.58 1212.53 121.71 < 0.05
  1. For below 40 years there were 60 controls and 101 patients. For above 40 years there were 33 controls and 26 patients.
  2. NS = not significant; RLT = Random Letter Test; SCPT = Standardised Copy of Pentagons Test.