Table 2.
Neurocognitive performance
| Overall group (N = 66) | No PTSS group (N = 43) | PTSS group (N = 23) | ||||
|---|---|---|---|---|---|---|
| Z-score, M (SD)1 | Impaired, N (%)2 | Z-score, M (SD)1 | Impaired, N (%)2 | Z-score, M (SD)1 | Impaired, N (%)2 | |
| Attention (N = 58) | −0.49 (1.12) | 19 (33) | −0.38 (1.11) | 11 (30) | −0.67 (1.14) | 8 (38) |
| Executive functioning (N = 63) | −0.21(1.02) | 11 (17) | −0.06 (1.01) | 5 (12) | −0.47 (0.99) | 6 (27) |
| Processing speed (N = 61) | −0.57 (0.98) | 21 (34) | −0.29 (0.92) | 10 (26) | −1.04 (0.92) | 11 (48) |
| Memory (N = 59) | −0.23 (1.42) | 16 (27) | −0.17 (1.58) | 9 (24) | −0.34 (1.07) | 7 (32) |
Significant numbers (P < 0.05) are in bold.
1One-sample t-test for testing mean Z-scores against 0.
2Chi square tests to compare impaired patient proportions with those expected in a healthy, age-matched population.