Table 1 Characteristics of study participants
| Â | HIV seroconverters (N=109) | HIV-negative controls (N = 156) | P-value |
|---|---|---|---|
Data type | |||
 Samples from visits 1 & 2 available | 35 (32%) | 77 (49%) |  |
 Samples from visit 1 available | 52 (48%) | 79 (51%) |  |
 Samples from visit 2 available | 22 (20%) | 0 (0%) | <0.01 |
Time to AIDS after HIV-1 infection | |||
 < 5 years | 32 (29) | NA |  |
 5–10 years | 31 (28) | NA |  |
 > 10 years | 46 (42) | NA | NE |
Time period for paired data (days) | |||
 Min | 141 | 77 |  |
 Max | 547 | 230 |  |
 Mean (sd) | 204.37 ± 63.62 | 182.60 ± 24.49 | 0.03 |
Age | |||
 Min | 19 | 21 |  |
 Max | 82 | 80 |  |
 Mean (sd) | 37.12 ± 13.84 | 42.42 ± 16.64 | 0.02 |
Location | |||
 Baltimore | 22 (20%) | 48 (31%) |  |
 Chicago | 32 (29%) | 39 (25%) |  |
 Pittsburgh | 20 (18%) | 27 (17%) |  |
 Los Angeles | 35 (32%) | 42 (27%) | 0.28 |