Table 7.

Odds ratios (OR) and 95% confidence intervals (CI) for squamous cell carcinoma and adenocarcinoma of the cervix according to HIV infection and adjustment factors: age, CD4 count (decrease of 100 cells), and human papillomavirus (HPV) types

	Squamous cell carcinoma N = 246 cases, 308 controlsa		Adenocarcinoma N = 39 cases, 308 controlsb
Adjustment factor	OR for HIV-positive vs. HIV-negative	95% CI	OR for HIV-positive vs. HIV-negative	95% CI
Age	1.5	0.9-2.3	1.1	0.4-2.7
Age + CD4	1.6	1.0-2.6	0.8	0.1-2.6
Age + CD4 + HPV16	1.6	0.9-2.9	0.5	0.1-1.8
Age + CD4 + HPV16-relatedc	1.4	0.7-2.4	0.5	0.1-1.6
Age + CD4 + HPV18	1.4	0.8-2.4	0.3	<1.2j
Age + CD4 + HPV18-relatedd	1.4	0.8-2.4	0.4	0.1-1.5
Age + CD4 + High-risk HPVe	0.6	0.3-1.1	0.3	<0.9j
Age + CD4 + Low-risk HPVf	1.9	1.1-3.2	0.8	0.2-2.6
Age + CD4 + Single HPV inf.g	1.2	0.6-2.4	0.5	0.1-1.7
Age + CD4 + Multiple HPV inf.h	1.8	1.1-3.0	0.6	0.1-2.0
Age + CD4 + Any HPV inf.i	0.8	0.4-1.4	0.4	0.1-1.2

^a HIV-positive: 48 cases, 54 controls.

^b HIV-positive: 5 cases, 54 controls.

^c HPV16-related: includes HPV16, 31, 33, 35, 52 and 58.

^d HPV18-related: includes HPV18, 45, 59 and 68.

^e High-risk HPV: 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 68, 73.

^f Low-risk HPV: 6, 11, 34, 40, 42, 43, 44, 53, 54, 66, 70, 74.

^g Single infection: infection with any of the HPV types above.

^h Multiple infections: infections with at least two different HPV types.

ⁱ Any HPV infection: infection with any of the HPV types above.

^j Indicate only lower limit value of 95% CI.

Abbreviations: inf: infections,.