Abstract O11.4 Table

	HIV-negative P&S syphilis cases	Newly diagnosed HIV	Person-years at risk	Annual HIV incidence (%)	95% CI (HIV incidence)

Total in NYC	3034	426	12850.10	3.32	3.01–3.64
Male	2805	423	11714.18	3.61	3.27–3.97
Age
13–19	178	35	646.12	5.42	3.83–7.45
20–24	449	73	1654.75	4.41	3.48–5.51
25–29	484	83	1897.18	4.37	3.51–5.40
30–34	472	80	2107.84	3.80	3.03–4.70
35–39	489	76	2284.96	3.33	2.64–4.14
40–44	345	43	1511.29	2.85	2.08–3.80
45–49	186	23	742.20	3.10	2.01–4.58
50+	202	10	869.84	1.15	0.58–2.05
Race/ethnicity
White	751	126	3064.03	4.11	3.44–4.88
Black	898	169	3597.64	4.70	4.03–5.45
Hispanic	94	94	2480.61	3.79	3.08–4.62
Other	34	34	960.85	3.54	2.49–4.89
Sexual behaviour/risk
MSM	1884	389	7000.55	5.56	5.02–6.13
MSW	373	20	1661.05	1.20	0.76–1.83
Other, IDU, & unknown	548	14	3052.57	0.46	2.61–7.51
Syphilis stage
Primary	859	103	3905.50	2.64	2.16–3.18
Secondary	1946	320	7808.68	4.10	3.67–4.57
Bacterial infections
Syphilis only	2310	281	9718.04	2.89	2.57–3.24
Syphilis with concurrent CT/GC/LGV	103	12	348.96	3.44	1.86–5.85
Syphilis and subsequent CT/GC/LGV	392	130	1647.18	7.89	6.62–9.24
Year of syphilis
2000	47	9	430.40	2.09	1.02–3.84
2001	133	31	1085.93	2.85	1.97–4.00
2002	186	52	1333.22	3.90	2.94–5.07
2003	231	58	1503.69	3.86	2.96–4.95
2004	274	44	1665.15	2.64	1.94–3.51
2005	255	53	1283.46	4.13	3.12–5.36
2006	272	40	1164.34	3.44	2.49–4.63
2007	360	45	1236.88	3.64	2.69–4.82
2008	443	61	1121.37	5.44	4.20–6.94
2009	406	24	691.97	3.47	2.27–5.08
January-June 2010	198	6	197.78	3.03	1.23–6.31