HIV incidence estimate combining HIV/AIDS surveillance, testing history information and HIV test to identify recent infections in Lazio, Italy

Table 3 Estimates of HIV incidence infections per calendar year, region of Lazio, Italy, 2004-2008

Year of diagnosis	Newly diagnosed HIV infections	Identified Recent Infections N(%)*	Estimate infections	95% Confidence Interval	Estimated Incidence rate**
2004	760	184 (24)	1,144	843 -- 1,516	25.5
2005	695	185 (27)	1,190	892 -- 1,567	26.2
2006	786	216 (27)	1,223	925-- 1,636	26.8
2007	710	169 (24)	982	719 -- 1,328	20.8
2008	682	167 (24)	952	625-- 1,229	19.9
Total	3,633	921

* mean values from 20 imputations;% refers to the total of new diagnoses of each year
** per 100,000 person-years; estimates refer to the population (aged 15 or older) in the region of Lazio on January 1^st of each year

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