Table 7 Level of the individual cognitive functions—differences between patients with schizophrenia (N = 128) versus the control group (N = 68)
From: Cognitive impairment in schizophrenia across age groups: a case–control study
Scale | Schizophrenia (N = 128) | Controls (N = 68) | Test of difference Sign. | |||
|---|---|---|---|---|---|---|
M | sd | M | sd | Test U | p | |
WSCT correct answers | 26,61 | 11,318 | 35,76 | 9,244 | 2019,5 | 0,000 |
WSCT total errors | 36,37 | 11,821 | 27,37 | 7,191 | 2028,5 | 0,000 |
WSCT perseverative answers | 25,05 | 17,749 | 15,05 | 7,643 | 2942,5 | 0,001 |
WSCT perseverative errors | 20,66 | 15,737 | 12,88 | 5,776 | 2970,5 | 0,001 |
WSCT conceptual level | 16,39 | 13,872 | 28,14 | 10,099 | 1995,5 | 0,000 |
WSCT categories achieved | 0,66 | ,864 | 1,80 | 2,623 | 2091,5 | 0,000 |
WSCT to complete 1st category | 41,90 | 26,041 | 23,28 | 19,002 | 2754,0 | 0,000 |
WSCT failure to maintain set | 0,66 | 1,022 | 0,94 | 0,864 | 3194,5 | 0,004 |
RAVLT A1-A5 | 26,84 | 11,124 | 43,51 | 10,437 | 1152 | 0,000 |
RAVLT A6 | 5,20 | 2,957 | 9,25 | 3,086 | 1509,5 | 0,000 |
RAVLT A7 | 4,25 | 2,694 | 8,81 | 3,021 | 1174,5 | 0,000 |
RAVLT list B | 2,96 | 1,428 | 5,34 | 1,523 | 1104 | 0,000 |
RAVLT Recognition | ,71733 | ,196041 | ,90170 | ,132401 | 1719 | 0,000 |
ROCFT similarity | ,52 | ,501 | ,99 | ,122 | 2308,5 | 0,000 |
ROCFT main elements | 3,89 | 2,040 | 6,36 | 1,366 | 1406,500 | 0,000 |
TMT A | 81,01 | 58,753 | 32,84 | 14,624 | 1027 | 0,000 |
TMT B | 274,73 | 298,46 | 67,74 | 31,338 | 886,5 | 0,000 |
Wechsler digits forward | 6,11 | 2,185 | 7,84 | 1,920 | 2422,000 | 0,000 |
Wechsler digits backward | 3,70 | 1,638 | 6,07 | 1,645 | 1360 | 0,000 |
Verbal fluency | 10,17 | 4,864 | 16,72 | 4,836 | 1429,5 | 0,000 |
Stroop words | 77,17 | 18,158 | 94,04 | 12,942 | 1921,500 | 0,000 |
Stroop colors | 55,38 | 16,487 | 73,21 | 13,521 | 1651 | 0,000 |
Stroop Interferention | 29,49 | 12,251 | 44,35 | 10,108 | 1458 | 0,000 |
Stroop Coefficient | 31,7587 | 8,06665 | 40,9462 | 6,19602 | 1539 | 0,000 |