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International Prostate Symptom Score versus percentage of patients requiring urinary catheterisation
| IPSS | Number of patients | POUR and catheterisation |
| Mild (0–7) | 59 (61.4%) | 27.1% |
| Moderate (8–19) | 27 (29.3%) | 63.0% |
| Severe (20–35) | 6 (6.5%) | 83.3% |
IPSS = International Prostate Symptom Score; POUR = post-operative urinary retention
