Table 3.
Neuropsychological tests performed in the study groups
| Tests | COPD group (n = 22) | Control group (n = 22) | P value |
|---|---|---|---|
| Raven's colored progressive matrices | 28 ± 5 | 32 ± 3 | 0.001 |
| Trail making A | 43 ± 12 | 34 ± 8 | 0.010 |
| Trail making B | 116 ± 52 | 72 ± 25 | 0.001 |
| Visual search | 66 ± 7 | 71 ± 7 | 0.019 |
| Story recall | 14 ± 3 | 16 ± 3 | 0.023 |
| Corsi | 4 ± 1 | 5 ± 1 | NS |
| Digit span | 5 ± 1 | 5 ± 1 | NS |
| Token | 33 ± 2 | 33 ± 1 | NS |
| Phonological fluency | 24 ± 7 | 32 ± 8 | 0.001 |
| Semantic fluency | 16 ± 4 | 20 ± 4 | 0.003 |
| Copying drawings | 12 ± 1 | 13 ± 1 | NS |
Means ± SD of the scores reported at each test in the COPD and control groups. NS = Nonsignificant (p > 0.05).