Table 2.

HCV incidence among Cedar Project participants who had been using injection drugs for less than 2 years, 2–5 years and over 5 years

HCV incidence	Incident cases	Total person years	Incidence density (per 100 person years)	95% Confidence Interval (per 100 person years)
Overall	45	387.9	11.6	8.5- 17.1
≤2 years since initiation of injection drug use	21	79.7	26.3	16.3-46.1
2-5 years since initiation of IDU	13	90.4	14.4	7.7-28.9
Over 5 years since initiation of IDU	11	214.5	5.1	2.6-10.9