Table 1.
Comparison between presence of oral hairy leukoplakia and quantitative variables of the patients.
| Variable | Oral hairy leukoplakia | n | Mean | SD | Median | U | P ∗ |
|---|---|---|---|---|---|---|---|
| Age (years) | Yes | 20 | 41.9 | 6.8 | 42.5 | 505 | 0.030 |
| No | 74 | 46.1 | 10.7 | 47.0 | |||
| Time of infection (years) | Yes | 20 | 11.2 | 5.5 | 11.0 | 613 | 0.239 |
| No | 74 | 12.8 | 4.9 | 13.0 | |||
| Lowest CD4 count (cells/mm3) | Yes | 20 | 197.4 | 200.8 | 150.0 | 648.5 | 0.446 |
| No | 73 | 212.4 | 168.4 | 200.0 | |||
| Current CD4 count (cells/mm3) | Yes | 20 | 504.7 | 243.1 | 507.0 | 692.5 | 0.726 |
| No | 73 | 544.5 | 301.4 | 500.0 | |||
| HIV-viral load (log copies/ml) | Yes | 20 | 1.1 | 1.9 | 0.0 | 625 | 0.155 |
| No | 73 | 0.6 | 1.4 | 0.0 | |||
| Duration of ARVT (years) | Yes | 20 | 8.8 | 5.0 | 8.5 | 606 | 0.360 |
| No | 70 | 9.6 | 4.6 | 10.0 | |||
| Current duration of ARVT (years) | Yes | 20 | 2.9 | 2.7 | 2.0 | 554 | 0.154 |
| No | 70 | 4.1 | 3.6 | 3.5 |
∗Mann–Whitney U test. SD: standard deviation; ARVT: antiretroviral therapy.