Table 1.

List of operational definitions.

Terms	Definitions
Sensitivity	The proportion of participants who have the WHO standard TB treatment outcome, and who have been correctly identified as having the outcome by the paper-based approach.
Specificity	The proportion of subjects who do not have the WHO standard TB treatment outcome, and who have been correctly identified as not having the outcome by the paper-based approach.
Positive predictive value	The probability that a participant who has been identified by the paper-based approach as having a TB treatment outcome has the outcome as per the WHO standard TB treatment outcome.
Negative predictive value (NPV)	The probability that a participant who has been identified by the paper-based approach as not having a TB treatment outcome does not have the outcome as per the WHO standard TB treatment outcome.
Cure	A patient with pulmonary TB with bacteriologically confirmed TB at the beginning of treatment, who is smear or culture negative in the last month of treatment and on at least one previous occasion (World Health Organization, 2013).
Treatment failed	A patient whose sputum smear or culture is positive after ≥5 months of treatment (World Health Organization, 2013).
Treatment success	The sum of cured and treatment completed (World Health Organization, 2013).

WHO, World Health Organization; TB, tuberculosis.