Table 5.
Mean vestibulo-ocular reflex asymmetries of the head impulse paradigm (n=92)
| HIV-positive group |
HIV-negative group |
||||
|---|---|---|---|---|---|
| CDC category | A (n1=35) | B (n1=11) | C (n1=14) | All (n1=60) | N/A (n2=32) |
| Lateral semi-circular canal | |||||
| Mean asymmetry (%) | 7.88 | 6.56 | 7.01 | 7.15 | 8.80 |
| SD | 5.44 | 3.53 | 5.69 | 4.88 | 5.20 |
| Range | 0-21 | 2-13 | 0-14 | 0-21 | 0-23 |
| p-value | 0.482 | 0.193 | 0.302 | 0.135 | |
| Anterior semi-circular canal | |||||
| Mean asymmetry (%) | 7.73 | 7.52 | 7.86 | 7.70 | 8.60 |
| SD | 5.43 | 8.12 | 5.70 | 6.40 | 5.30 |
| Range | 0-27 | 0-21 | 1-16 | 0-27 | 1-18 |
| p-value | 0.509 | 0.616 | 0.672 | 0.498 | |
| Posterior semi-circular canal | |||||
| Mean asymmetry (%) | 8.10 | 8.65 | 8.91 | 8.50 | 12.30 |
| SD | 5.11 | 6.58 | 4.12 | 5.27 | 7.60 |
| Range | 0-19 | 2-27 | 0-20 | 0-27 | 0-31 |
| p-value | 0.009* | 0.163 | 0.125 | 0.006* | |
*
statistically significant p≤0.05.
HIV: human immunodeficiency virus, CDC: Centres for Disease Control and Prevention, N/A: not applicable, SD: standard deviation