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| Time of Qmax Assessment (mL/s) | Preoperative | 3 Months | 12 Months | P Value |
| Laser urethrotomy (group A) | 3.58 ± 0.71 | 20.65 ± 1.82 | 19.88 ± 3.71 | 0.001 |
| Cold knife urethrotomy (group B) | 3.85 ± 0.98 | 19.15 ± 1.39 | 17.03 ± 4.42 | < 0.001 |
| P value | 0.845 | 0.203 | 0.559 |
