Table 3 Comparisons of ANT performance between groups (Mean ± SE)
|  | Normal controls (n = 31) | HIV-infected patients (n = 27) | Statistics | ||
|---|---|---|---|---|---|
CD4 > 200 (n = 12) | CD4 ≤ 200 (n = 15) | Overall | |||
Alerting effect (ms) | 47.06 ± 3.73 | 32.27 ± 5.88 | 18.58 ± 6.58 | 26.19 ± 4.90 | F = 7.261, p = 0.002 |
Orienting effect (ms) | 31.35 ± 4.02 | 40.40 ± 6.25 | 25.42 ± 6.99 | 33.74 ± 5.16 | F = 1.348, p = 0.268 |
Executive effect (ms) | 92.84 ± 4.92 | 111.60 ± 9.99 | 124.17 ± 11.17 | 117.19 ± 9.32 | F = 3.208, p = 0.048 |
Mean RT (ms) | 669.19 ± 31.97 | 636.87 ± 37.35 | 724.42 ± 41.75 | 675.78 ± 18.90 | F = 1.236, p = 0.298 |
Overall accuracy (%) | 96.16 ± 1.23 | 97.33 ± 1.53 | 98.58 ± 1.71 | 97.89 ± 4.49 | F = 0.761, p = 0.472 |