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Causes of pleural effusion and percentage which were lymphocyte-predominant
| Cause of effusion | n | n (%) |
|---|---|---|
| Tubercular effusion | 310 | 306 (98.7%) |
| Malignant effusion | 160 | 116 (72.5%) |
| Empyema | 60 | 10 (16.67%) |
| Parapneumonic effusion | 30 | 5 (16.67%) |
| Rheumatoid effusion | 5 | 1 (20%) |
| Pancreatitis | 1 | 0 (0%) |
