Table 2

Effusion etiologies

Aetiologyn=193
Congestive heart failure21 (11%)
Chylothorax5 (3%)
Chronic kidney disease6 (3%)
Connective tissue disease1 (1%)
Hydrothorax11 (6%)
Malignant115 (60%)
Parapneumonic5 (3%)
Other29 (15%)