Table 2.

Diagnostic criteria for active pulmonary tuberculosis in each included study

Study	Isolation of M. tuberculosis	Caseous granulomatous inflammation in histopathology	Clinical improvement after anti-TB treatment
Cattamanchi et al	✓	X	X
Lee et al	✓	✓	✓
Leung et al	✓	X	✓
SA Kabeer et al	✓	X	✓
Ling et al	✓	X	X
Lui et al	✓	✓	✓
Jung et al	✓	X	✓
Taki-Eddin et al	✓	✓	✓
Qian et al	✓	✓	✓
Park et al	✓	✓	✓
Qiu et al	✓	X	✓
Xia et al	X	X	✓
Azghay et al	✓	✓	✓
Phetsuksiri et al	✓	X	✓
Yang et al	✓	✓	✓
Whitworth et al	✓	X	✓

TB, tuberculosis