Table 4.

Estimated new HIV infections, region of Lazio, Italy, 2004-2008, by transmission category (mean values from 20 imputations)

	Heterosexual contacts	MSM	IDU
Total newly diagnosed HIV infections	1,765	1,523	345
Identified recent infection (%)*	371 (21)	440 (29)	110 (32)
Non-recent infection (%)*	920 (52)	765 (50)	141 (41)
AIDS case (%)*	474 (27)	318 (21)	94 (27)
Total incidence estimate (95% CI)	2,599 (1,930-3,386)	2,208 (1,641-2,689)	763 (476-1,059)

*% refers to the total number of diagnoses in each group

MSM, Men who have Sex with Men; IDU, Injecting Drug Users; CI, Confidence Interval