Fig. 1From: Methods for handling missing data in serially sampled sputum specimens for mycobacterial culture conversion calculationProportion of participants with positive, negative, or missing cultures per treatment week. Positive and negative culture defined as presence or absence of Mycobacterium tuberculosis. Method for handling missing data: available case analysis A), last observation carried forward B), multiple imputation by fully conditional specification C). Stripe, positive; circle, negative; white, censored; black, missingBack to article page