Impact of various policy options with regard to mid-CP follow-up on the number of cases of tuberculosis treatment failures detected early1 and laboratory workload.

1Detected as a case of treatment failure around two-three months earlier than if detected at the end of the treatment.2Percentage calculated by taking follow-up required under present policy as denominator.3Gain/Loss in absolute numbers indicated respectively by a positive or a negative sign; CP-Continuation Phase of TB treatment.