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Table 4 Results of the psychometric tests—statistically significant differences (SD standard deviation; *Mann–Whitney U test)

From: Neuropsychological exponents for the driving ability in remitted bipolar patients

  Patient group
(n = 33)
Control group
n = 32
Mean Median SD Mean Median SD p
The Cross-Over Test—free rate (COT-F)
 Test time (s) 115.8 104.2 40.4 101.9 98.6 22.3 Z = 2,13
p = 0.03*
 Median response time (ms) 1471.5 1340 468.16 1268.6 1261.5 154.39 Z = 2.30
p = 0.02*
The Cross-Over Test—rate of 50 stimuli/minute (COT-50)
 Number of stimuli received 14.6 10 16.7 27.3 25.5 193 Z = 2.97
p = 0.002*
  Patient group Control group p
Mean Median SD Mean Median SD
Rey's Auditory Verbal Learning Test (RAVLT)
 The number of perseverations 4.4 3 3.78 2.3 2 3.01 Z = 2.93
p = 0.003
 The number of words in the deferred sample 2.2 2 1.72 1.3 1 1.95 Z = 2.44
p = 0.01
  Patients (n = 21) Controls (n = 26) p
Stroop Color-Word Test (SCWT)
 Part A (s) 25.19 25.0 4.6 22.46 22.0 3.84 Z = 2.00
p = 0.045
T = 0.031*
 Part B (s) 57.14 14.61 14.61 51.42 9.91 9.92 Z = 0.95
p = 0.341
Trail Making Test (TMT)
 Part A (s) 30.94 28 12.7 24.22 23 8.34 Z = 2.08
p = 0.036
 Part B (s) 78.76 65 43.4 58.81 55 22.68 Z = 2.41
p = 0.016