Fig. 2From: The timing of tuberculosis after isoniazid preventive therapy among gold miners in South Africa: a prospective cohort studyParticipant flow and outcomes in the intention-to-treat and as-treated analyses. The duration on isoniazid preventive therapy was defined as the intended duration (intention-to-treat analysis) and 30Â days from the last dispensing date (as-treated analysis)Back to article page