Fluid thickness by US before and after treatment. Values are mean ± SD.
| Mean Fluid Thickness, mm | Group 1, Spironolactone | Group 2, NSAID | Group 3, Cold Compresses | Group 4, Placebo | Total | p |
|---|---|---|---|---|---|---|
| Before treatment | 7.5 ± 2.3 | 7.5 ± 2.6 | 7.4 ± 1.9 | 7.9 ± 1.9 | 7.6 ± 2.2 | 0.662 |
| 2 weeks after treatment | 3.7 ± 3.3 | 6.3 ± 3.2 | 5.9 ± 2.7 | 7.3 ± 2.3 | 5.8 ± 3.2 | < 0.001 |
| 4 weeks after treatment | 2.4 ± 2.6 | 5.1 ± 4.1 | 5.0 ± 2.8 | 6.9 ± 3.2 | 4.0 ± 3.4 | < 0.001 |
US: ultrasonography; NSAID: nonsteroidal antiinflammatory drugs.