Factors predicting persistent sputum smear positivity among pulmonary tuberculosis patients 2 months after treatment.

SETTING Studies have shown that adverse outcomes are more likely in patients showing persistent sputum positivity at the end of 2 months of anti-tuberculosis treatment. OBJECTIVE To identify simple clinical, microbiological or radiological factors associated with persistent sputum positivity under national programme conditions. DESIGN Sputum smear… CONTINUE READING