Table 3. Observed cases (Obs) of selected cancers, SIR and corresponding 95% CI among people with HIV or AIDS by gender, age group, and HIV exposure category, Italy, 1985–1998.

	Gender				Age group				HIV exposure category
	Men		Women		15–34		35–69		IDU		Other
		SIR		SIR		SIR		SIR		SIR		SIR
ICD10–cancer type or site	Obs	(95% CI)	Obs	(95% CI)	Obs	(95% CI)	Obs	(95% CI)	Obs	(95% CI)	Obs	(95% CI)
C46: KS	483	1696	42	2717	228	1218	297	2628	115	557	410a	4369
		(1548–1854)		(1957–3675)		(1065–1387)		(2337–2945)		(460–669)		(3956–4813)
C82–C85: NHL	350	321	99	538	268	417	181	286	247	335	202	376
		(288–356)		(437–655)		(369–470)		(246–331)		(294–379)		(326–432)
C53: ICC	—	—	18	21.8	8	23.4	10	20.7	11	24.0	7	19.1
		—		(12.9–34.6)		(10.0–46.4)		(9.9–38.2)		(11.9–43.1)		(7.6–39.6)
C21: anus	5	35.1	1	27.6	1	31.3	5	34.1	2	33.6	4b	33.6
		(11.1–82.5)		(0.0–158.3)		(0.0–179.3)		(10.8–80.2)		(3.2–123.6)		(8.7–86.8)
C33, C34: trachea and lung	19	2.2	3	8.7	6	19.4	16	1.8	11	9.4	11	1.4
		(1.3–3.4)		(1.6–25.9)		(7.0–42.4)		(1.0–3.0)		(4.6–16.8)		(0.7–2.5)
C44: skin (nonmelanoma)	13	1.7	1	0.7	0	0	14	1.9	1	0.4	13	2.0
		(0.9–2.8)		(0.0–4.0)		—		(1.0–3.1)		(0.0–2.0)		(1.1–3.5)
C70–C73: brain	8	3.8	3	8.5	6	6.4	5	3.2	8	6.7	3	2.3
		(1.6–7.4)		(1.6–25.3)		(2.3–14.1)		(1.0–7.6)		(2.9–13.2)		(0.4–6.9)
C81: Hodgkin's disease	36	16.7	9	14.6	33	17.9	12	12.9	34	18.1	11	12.3
		(11.7–23.1)		(6.6–27.9)		(12.3–25.2)		(6.7–22.7)		(12.5–25.3)		(6.1–22.1)
C91–C95: leukaemias	12	5.7	1	2.9	8	8.4	5	3.4	5	4.3	8	6.3
		(2.9–10.1)		(0.0–16.7)		(3.6–16.7)		(1.1–7.9)		(1.3–10.0)		(2.7–12.6)
All non-AIDS defining	135	2.2	35	2.5	74	4.6	96	1.6	87	3.6	83	1.7
Cancers		(1.9–2.7)		(1.7–3.4)		(3.6–5.8)		(1.3–2.0)		(2.9–4.4)		(1.3–2.1)

SIR=Standardized Incidence Ratios; CI=Confidence Intervals; KS=Kaposi's Sacroma; NHL=Non-Hodgkin Lymphoma; ICC=Invasive Cervical Cancer. IDU=Intravenous drug user.

^a310 cases among homosexual and bisexual men, SIR=6066, 95% CI: 5409–6780.

^bThree cases among homosexual and bisexual men, SIR=56.4, 95% CI: 10.6–167.0.