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| DMSO group | Chondroitin sulphate group | |
|---|---|---|
| Drop-outs | 8/14 (57%) | 6/22 (27%) |
| GRA score 6 or 7 | 14.0% | 72.7% |
| VAS reduction | 8.3% | 20%* |
| O'Leary total reduction | - 9.8 points | - 7.2 points |
| O'Leary nocturia subscale | 4.7 to 4.0 (-0.7) | 4.5 to 2.9 (-1.6)* |
| O'Leary pain subscale | 4.3 to 3.7 (-0.6) | 5.0 to 3.8 (-1.2)* |
* statistically significant
