Table 2.
Incidence of high-risk human papillomavirus types in HIV-positive and HIV-negative participants (N=264)
HIV-Positive (n=163) | HIV-Negative (n=101) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
HPV Type | Baseline n(%) | Incidence (number) | Person-Months | Incidence/1000 Person-Months (95% CI) | 12-Month Incidence(%) (95% CI) | Baseline n(%) | Incidence (number) | Person-Months | Incidence/1000 Person-Months (95% CI) | 12-Month Incidence(%) (95% CI) | IRR (95% CI) | p-value |
HPV16 | 40(18.9) | 10 | 1460.6 | 6.8(3.7-12.7) | 8.2(4.4-15.2) | 18(13.6) | 3 | 1074.0 | 2.8(0.9-8.7) | 3.3(1.1-10.4) | 2.5(0.6-13.9) | 0.17 |
HPV18 | 28(13.2) | 7 | 1600.8 | 4.4(2.1-9.2) | 5.2(2.5-11) | 13(9.9) | 2 | 1130.7 | 1.8(0.4-7.1) | 2.1(0.5-8.5) | 2.5(0.5-24.4) | 0.27 |
HPV31 | 10(4.7) | 1 | 1796.7 | 0.6(0.1-4) | 0.7(0.1-4.7) | 2(1.5) | 1 | 1241.3 | 0.8(0.1-5.7) | 1(0.1-6.8) | 0.7(0-54.2) | 0.82 |
HPV33 | 13(6.1) | 2 | 1732.3 | 1.2(0.3-4.6) | 1.4(0.3-5.5) | 0(0) | 0 | 0.0 | 0(0-0) | 0(0-0) | ||
HPV35 | 9(4.3) | 1 | 1775.1 | 0.6(0.1-4) | 0.7(0.1-4.8) | 1(0.8) | 0 | 0.0 | 0(0-0) | 0(0-0) | ||
HPV39 | 17(8) | 4 | 1675.6 | 2.4(0.9-6.4) | 2.9(1.1-7.6) | 8(6.1) | 0 | 0.0 | 0(0-0) | 0(0-0) | ||
HPV45 | 15(7.1) | 1 | 1742.5 | 0.6(0.1-4.1) | 0.7(0.1-4.9) | 7(5.3) | 0 | 0.0 | 0(0-0) | 0(0-0) | ||
HPV51 | 30(14.2) | 5 | 1582.8 | 3.2(1.3-7.6) | 3.8(1.6-9.1) | 15(11.4) | 2 | 1113.2 | 1.8(0.4-7.2) | 2.2(0.5-8.6) | 1.8(0.3-18.5) | 0.53 |
HPV52 | 16(7.6) | 7 | 1683.2 | 4.2(2-8.7) | 5(2.4-10.4) | 17(12.9) | 0 | 0.0 | 0(0-0) | 0(0-0) | ||
HPV56 | 9(4.3) | 3 | 1784.6 | 1.7(0.5-5.2) | 2(0.6-6.2) | 2(1.5) | 0 | 0.0 | 0(0-0) | 0(0-0) | ||
HPV58 | 25(11.8) | 5 | 1607.4 | 3.1(1.3-7.5) | 3.7(1.6-8.9) | 9(6.8) | 0 | - | - | 0(0-0) | ||
HPV59 | 29(13.7) | 10 | 1579.0 | 6.3(3.4-11.8) | 7.6(4.1-14.1) | 11(8.3) | 0 | - | - | 0(0-0) | ||
HPV68 | 21(9.9) | 2 | 1656.4 | 1.2(0.3-4.8) | 1.4(0.4-5.8) | 10(7.6) | 3 | 1161.0 | 2.6(0.8-8) | 3.1(1-9.6) | 0.5(0-4.1) | 0.44 |
Any high-risk HPV | 141(66.5) | 13 | 457.7 | 28.4(16.5-48.9) | 34(19.8-58.6) | 67(50.8) | 8 | 576.5 | 13.9(6.9-27.7) | 16.6(8.3-33.2) | 2(0.8-5.7) | 0.056 |
HPV, human papillomavirus; CI, confidence interval; IRR, incidence rate ratio.