Table 2

Means scores (SD) of the alcoholic patients and the healthy control subjects and the Mann-Whitney U test results between the two groups on the VFT, the TMT, the MCST, the SCW, and the GNT

VFT TMT: B-A CET MCST: categories achieved SCW GNT: passed switch trials
Alcoholic patients 40.5 (16.0)74.5 (75.2)  5.94 (4.24) 4.38 (1.89) 89.9 (24.9) 3.92 (2.36)
Controls 46.4 (15.7)30.5 (14.7)  4.06 (2.75) 5.82 (0.39)107.4 (8.39) 5.59 (0.62)
Mann-Whitney U between alcoholic patients and controls122.576.0108.073.0 77.065.5
Asymp significance (2 tailed)  0.448 0.0182-150   0.204 0.008**   0.0142-150  0.0392-150
  • 2-150 p<0.05;**p<0.01, Mann-Whitney Utest.

  • VFT=Verbal fluency test (Miller27) (F, A, S total words); TMT= trail making test (Reitan28) (time taken for part A subtracted from that for part B);CET=cognitive estimates test (Shallice and Evans26); MCST=modified card sorting test (Nelson29)(number of categories achieved); SCW=Stroop test (Trenerry et al 30) (number of ink colours achieved); GNT=goal neglect test (Duncanet al 31)(number of passed switch trials).