TABLE 1

Aetiology of pleural effusion

Tuberculosis#134 (67.67%)
Other64 (32.32%)
 Acute on chronic inflammation14 (7.07%)
 Malignancy23 (11.61%)
 Nonspecific inflammation27 (13.63%)

#: tuberculosis was diagnosed if there was evidence of chronic granulomatous inflammation with caseous necrosis on histopathology and based on the patient's clinical response on antituberculous treatment.