Table 2. Main characteristics of new HIV diagnoses in people aged above 15 years by year, Italy, 2012–2014.

	2012			2013			2014
	n	%	% excluding NA values	n	%	% excluding NA values	n	%	% excluding NA values
Total diagnoses	4,127	–	–	3,797	–	–	3,679	–	–
Sex
Women	872	21.1	21.1	833	21.9	21.9	746	20.3	20.3
Men	3,255	78.9	78.9	2,964	78.1	78.1	2,933	79.7	79.7
Age group (years)
15–24	331	8.0	8.0	291	7.7	7.7	322	8.8	8.8
25–34	1,319	32.0	32.0	1,121	29.5	29.5	1,063	28.9	28.9
35–44	1,239	30.0	30.0	1,210	31.9	31.9	1,131	30.7	30.7
45–54	827	20.0	20.0	775	20.4	20.4	746	20.3	20.3
≥ 55	411	10.0	10.0	400	10.5	10.5	417	11.3	11.3
HIV exposure groups
PWID	211	5.1	5.1	178	4.7	4.7	141	3.8	3.8
Heterosexual women	704	17.1	17.1	709	18.7	18.7	625	17.0	17.0
Heterosexual men	1,059	25.7	25.7	981	25.8	25.8	973	26.5	26.5
MSM	1,579	38.2	38.2	1,507	39.7	39.7	1,512	41.1	41.1
Other/NA	574	13.9	13.9	422	11.1	11.1	428	11.6	11.6
Nationality
Italian	3,019	73.1	73.6	2,864	75.4	75.6	2,671	72.6	72.9
Non-Italian	1,084	26.3	26.4	925	24.4	24.4	995	27.0	27.1
NA	24	0.6	–	8	0.2	–	13	0.4	–
Geographical area
North	2,354	57.0	57.0	2,113	55.6	55.6	1,978	53.8	53.8
Central	1,054	25.6	25.6	1,028	27.1	27.1	1,023	27.8	27.8
South	719	17.4	17.4	656	17.3	17.3	678	18.4	18.4
Clinical stage of HIV infection
A	1,832	44.4	61.8	1,660	43.7	62.6	1,705	46.3	64.9
B	483	11.7	16.3	397	10.5	14.9	352	9.6	13.4
C	649	15.7	21.9	596	15.7	22.5	571	15.5	21.7
NA	1,163	28.2	–	1,144	30.1	–	1,051	28.6	–
CD4 count (cells/mm3)
< 200	1,188	28.8	36.7	1,108	29.2	37.3	998	27.1	34.9
200–349	591	14.3	18.3	587	15.5	19.8	531	14.4	18.6
350–499	581	14.1	18.0	514	13.5	17.3	535	14.5	18.7
≥ 500	873	21.2	27.0	759	20.0	25.6	798	21.7	27.9
NA	894	21.7	–	829	21.8	–	817	22.2	–

MSM: men who have sex with men; NA: not available; PWID: people who inject drugs.