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Table 2 HIV incidence density of MSM in Chengdu between 2012 and 2018

From: HIV incidence and sexual behavioral correlates among 4578 men who have sex with men (MSM) in Chengdu, China: a retrospective cohort study

Year Number of Seroconversions, n Observed person-years (PYs) Incidence Per 100 PYs 95% CI
2012–2013 113 1253 9.02 (7.46–10.78)
2014–2015 119 2034 5.85 (4.86–6.97)
2016–2017 122 2245 5.43 (4.53–6.46)
2018 27 874 3.09 (2.07–4.41)
Total 381 6406 5.95 (5.37–6.56)