Table 2.

Positivity rate of anti-TBGL antibody in each group

GroupNo. of subjectsSensitivity (%)Specificity (%)
TotalPositiveaNegative
Active pulmonary tuberculosis3182586081.1
 Smear positive, culture positive1641471789.6
 Smear negative, culture positive52361669.6
 Smear negative, culture negative102752773.5
Nontuberculous mycobacteriosis111882379.3
Old tuberculosis58154374.1
Other respiratory disease1802715885.0
Nonrespiratory disease1562413284.6
Older healthy subjects1983416482.8
Younger healthy subjects2561124595.7
  • a Cutoff value was set at 2.0 U/ml.