평균 2.5년의 후속 조치로, 양성 LTBI 검사를 받은 이민자들을 치료했을 때 활동성 결핵의 발병률은 83% 감소했다.
With average 2.5 years of followup, incidence rate of active TB decreased by 83% when immigrants with positive LTBI test were treated.