Table 1.
Characteristics of Study Populations
| Variable | Cases in analysis (n=25) |
Controls (n=80) |
p-value1 | Cases excluded (n=7) |
p-value2 |
|---|---|---|---|---|---|
| Age, median (IQR) | 39 (36, 44) | 41 (36, 46) | 0.575 | 46(37, 61) | 0.202 |
| Race/ethnicity, N (%) | 0.281 | 0.395 | |||
| White | 24(96) | 78(98) | 6(86) | ||
| Black | 0(0) | 2(3) | 1(14) | ||
| Other | 1(4) | 0(0) | 0(0) | ||
| Ever IV drug use, N (%) | 4(16) | 9(11) | 0.504 | 0(0) | 0.552 |
| Ever Smoking, N (%) | 21(84) | 51(64) | 0.083 | 2(29) | 0.010 |
| Years on study, median (IQR) | 6.8(4.3, 8.6) | 6.8(4.8, 9.3) | 0.717 | 6(2.5, 12.0) | 0.906 |
| Calendar Yr Dx, median (IQR) | 1992 (1989, 1994) | NA | 1991(1989, 1997) | 1.0 | |
| Entry CD4, median (IQR) | 551(359, 643) | 484(376, 636) | 0.861 | 506(162, 579) | 0.211 |
| CD4 at Dx, median (IQR) | 123(87, 199) | 182(90, 280) | 0.086 | 155(100, 252) | 0.715 |
P-values were obtained by non-parametric Wilcoxon test or Fisher exact test, as appropriate.
1
Comparing cases and controls.
2
Comparing 25 cases in analysis and 7 cases excluded from analysis.