TABLE 1

Definitions of key parameters

ParameterDefinitionAssumed distribution
P10–14Proportion of tuberculosis notifications among 0–14 year olds contributed by the 10–14-year-old age groupUniform
P15–19Proportion of tuberculosis notifications among 15–24 year olds contributed by the 15–19-year-old age groupUniform
P20–24Proportion of tuberculosis notifications among 15–24 year olds contributed by the 20–24 year-old age groupUniform
βRegression coefficient for the increase in the proportion of all sputum smear-positive notifications pertaining to the 15–24-year-old age group per 1% increase in the proportion of the source population in this age groupNormal
CConstant term from linear regression model for P(SP)15–24
P(SP)15–24Proportion of all smear-positive tuberculosis notifications contributed by the 15–24-year-old age group
R(SN/EP-TB):(SP-TB)Ratio of smear-negative (including smear not done)/extrapulmonary tuberculosis notifications to smear-positive tuberculosis notifications in the 15–24-year-old age groupNormal
CDRCase detection rate for tuberculosis in the country as of 2016Uniform