ScreenTB is an interactive tool created by WHO to help users to implement the best suited strategy for the systematic screening of tuberculosis.
ScreenTB complements the latest WHO guidelines and handbook on tuberculosis screening.

Screening results for all risk groups with all algorithm

Estimated results of screening for all specified risk groups with all specified algorithms.

Download as a csv file (can be read by Excel).


Group Algorithm name Population size Prevalent TB cases Algorithm TB cases detected
(True positives)
TB cases missed
(False negatives)
True negatives False positives Eligible for TPT evaluation Total cost Cost per true TB cases NNS
Sensitivity Specificity


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