Table 1 Comparison of cognitive functions before and after liver transplantation among recipients
From: Cognitive impairment in recipients of liver transplantation and relation to hepatic encephalopathy
| Â | Before | Total | McNemar test | ||
|---|---|---|---|---|---|
No | Yes | p value | Sig. | ||
Trail making B | |||||
 After | |||||
  No | 17 (56.67%) | 2 (6.67%) | 19 (63.33%) | 1 | NS |
  Yes | 2 (6.67%) | 9 (30%) | 11 (36.67%) | ||
 Total | 19 (63.33%) | 11 (36.67%) | 30 (100%) | ||
Trail Making A | |||||
 After | |||||
  No | 16 (53.33%) | 7 (23.33%) | 23 (76.67%) | 0.02 | S |
  Yes | 0 (0%) | 7 (23.33%) | 7 (23.33%) | ||
 Total | 16 (53.33%) | 14 (46.67%) | 30 (100%) | ||
Information/orientation test of WMS | |||||
 After | |||||
  No | 26 (86.67%) | 4 (13.33%) | 30 (100%) | 0.13 | NS |
 Total | 26 (86.67%) | 4 (13.33%) | 30 (100%) | ||
Verbal association test part 1 of WMS | |||||
 After | |||||
  No | 5 (16.67%) | 7 (23.33%) | 12 (40%) | 0.55 | NS |
  Yes | 4 (13.33%) | 14 (46.67%) | 18 (60%) | ||
 Total | 9 (30%) | 21 (70%) | 30 (100%) | ||
Verbal association test part 2 of WMS | |||||
 After | |||||
  No | 20 (66.67%) | 5 (16.67%) | 25 (83.33%) | 0.06 | NS |
  Yes | 0 (0%) | 5 (16.67%) | 5 (16.67%) | ||
 Total | 20 (66.67%) | 10 (33.33%) | 30 (100%) | ||
Digit span forward test of WMS | |||||
 After | |||||
  No | 19 (63.33%) | 8 (26.67%) | 27 (90%) | 0.01 | S |
  Yes | 0 (0%) | 3 (10%) | 3 (10%) | ||
 Total | 19 (63.33%) | 11 (36.67%) | 30 (100%) | ||
Digit span backward test of WMS | |||||
 After | |||||
  No | 7 (23.33%) | 9 (30%) | 16 (53.33%) | 0.02 | S |
  Yes | 1 (3.33%) | 13 (43.33%) | 14 (46.67%) | ||
 Total | 8 (26.67%) | 22 (73.33%) | 30 (100%) | ||
Benton visual retention test correct score difference | |||||
 After | |||||
  No | 13 (43.33%) | 11 (36.67%) | 24 (80%) | 0.01 | S |
  Yes | 1 (3.33%) | 5 (16.67%) | 6 (20%) | ||
 Total | 14 (46.67%) | 16 (53.33%) | 30 (100%) | ||
Benton visual retention test error score difference | |||||
 After | |||||
  No | 5 (16.67%) | 7 (23.33%) | 12 (40%) | 0.18 | NS |
  Yes | 2 (6.67%) | 16 (53.33%) | 18 (60%) | ||
 Total | 7 (23.33%) | 23 (76.67%) | 30 (100%) | ||