Countryside schools Urban schools
Beishan Xintianbao Total No.1 of Xinrongqu No.2 of Xinrongqu Total
No. of children 275 294 569 352 315 667
Follicular trachoma 30(10.9%) 23(7.8%) 53(%) 33(9.4%) 31(9.8%) 64(9.6%)
Intense trachoma 3 (1.1%) 9 (3.1%) 12 (%) 2 (0.5%) 4 (1.3%) 6 (0.9%)
Trachomatous scarring 0 0 0 0 0 0
Mean prevalence 12.0% 10.9% 11.5% 9.9% 11.1% 10.5 %
Table 4: Prevalence of trachoma in different schools in Datong City.