Characteristics of cases and controls
| HIV(±) COPD(±) (n=38) | HIV(±) COPD(−) (n=40) | HIV(−) COPD(±) (n=20) | HIV(−) COPD(−) (n=17) | |
|---|---|---|---|---|
| Age, years | 38.97±9.21* | 38.93±7.78* | 48.18±3.67* | 55.91±5.48 |
| Sex | 27M/11F | 29M/11F | 18M/2F | 15M/2F |
| FEV1pp | 70.95±11.6* | 94.90±15.6* | 73.08±12.8* | 109.6±13.2 |
| FEV1/FVC | 0.663±0.0704* | 0.815±0.0476 | 0.618±0.065* | 0.818±0.0341 |
| HIV RNA log10, copies/mL | 3.95±1.04 | 3.86±0.994 | NA | NA |
| CD4+ T-cell count, cells/mm3 | 707.03±198.89 | 716.26±182.84 | NA | NA |
| CD8+ T-cell count, cells/mm3 | 1129.68±596.74 | 1142.86±912.3 | NA | NA |
| CD4/CD8 ratio | 0.793±0.395 | 0.936±0.722 | NA | NA |
| Smoking status† | 16/3/19 | 16/4/20 | 16/4/0 | 0/0/17 |
| Race‡ | 15/22/1 | 16/22/2 | 15/5/0 | 15/2/0 |
| Region§ | 6/13/17/2 | 8/13/17/2 | 20/0/0/0 | 17/0/0/0 |
*Significant from COPD(−) HIV(−) using Student's t-test.
†Smoking status (current/former/never).
‡Race (Caucasian/black/Latino).
§Region (North America/Europe/Africa/South America).
COPD, chronic obstructive pulmonary disease; FEV1pp, forced expiratory volume in 1 s, per cent predicted; FVC, forced vital capacity; NA, not available.