Table 1.

Prevalence of Trachoma in Preschool-Age Children in 71 Communities Prior to Start of Mass Treatment With Azithromycin, and Estimates of Annual Azithromycin Treatment Coverage, by Number of Years of Mass Treatment Rounds

No. of years of annual mass treatment	No. of villages	Baseline prevalence of active trachoma, mean % (range)	Estimates of coverage, mean % (range)	Proportion of mass treatments with >75% coverage, %
3	6	59.9 (48.9–77.7)	71.3 (57.0–86.3)	41.7
4	17	40.7 (18.9–74.0)	79.4 (56.1–97.6)	75.0
5	15	49.6 (24.8–74.6)	81.1 (58.9–94.0)	71.7
6	16	58.9 (34.1–83.3)	76.9 (59.0–84.7)	62.8
7	17	53.0 (23.2–80.4)	78.2 (65.1–85.4)	67.2
Total	71	51.2 (18.9–83.3)	78.2 (56.1–97.6)	66.9