Fig 1. PrevTB; prevalent tuberculosis, LTFP; loss to follow-up, EITB; early incident tuberculosis, LITB; late incident tuberculosis, α; children at risk of EITB after accounting for some 90 children (i.e., 73 PrevTB cases, 6 LTFP, 2 Transfers and 9 Deaths), β; children at risk of LITB after accounting for some 54 children (i.e., 28 EITB cases, 16 LTFP, 2 Transfers and 8 Deaths), 100py; 100 person-years.
