Cultured Organism | Empyema N (%) | Pleural effusion N (%) | Total N (%) |
---|---|---|---|
Culture negative | 122 (39) | 858 (80) | 980 (71) |
Gram negative | 51 (17) | 104 (10) | 155 (11) |
Gram positive | Â | Â | Â |
   S. pneumoniae | 68 (22) | 15 (1) | 83 (6) |
   Others | 69 (22) | 92 (9) | 161 (12) |
Total | 310 (100) | 1,069 (100) | 1,379 (100) |