Baseline characteristics of the groups (median values)
| Urokinase (n=29) | Placebo (n=29) | p Value | |
|---|---|---|---|
| WBC=white blood cells; CRP=C reactive protein; Sao2=oxygen saturation. *Loculated includes the following descriptions: septations, strands, and densely echogenic. | |||
| Age (years) | 3.6 | 3.0 | NS |
| Duration of illness (days) | 5.0 | 9.0 | <0.02 |
| WBC (109/l) | 22.2 | 18.8 | NS |
| CRP (mg/l) | 183 | 162 | NS |
| Sao2(%) | 95 | 93 | <0.02 |
| Pleural fluid | |||
| Clear | 14 | 18 | |
| Turbid | 15 | 11 | NS |
| Ultrasonography | |||
| Loculated* | 21 | 19 | NS |
| Not loculated | 8 | 10 | |