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Characteristics of 286 pleural effusions in 217 affected patients
| Characteristic | n (%) |
|---|---|
| Laterality | |
| Unilateral | 148 (68) |
| Bilateral | 69 (32) |
| Side of effusion* | |
| Right | 131 (46) |
| Left | 155 (54) |
| Size of effusion* | |
| Trace | 159 (56) |
| Small | 74 (26) |
| Moderate | 39 (14) |
| Large | 14 (5) |
| Character of effusions | |
| Fluid alone | 204 pts. (273 effusions) |
| Solid components | 13 pts. (13 effusions) |
*Calculated for a total of 286 effusions in 217 patients when each side was considered separately
pts patients
