| Voided volume (VV) | ≤250 mL or ≥500 mL |
| Urinary tract infections (UTI) rate | >0/6 month |
| 24 h standardized voiding frequency (SVF) | ≤4 or ≥13 |
| Post-void residual (PVR) | >70 mL and >100 mL |
| Uroflowmetry [9] | abnormal curve or PVR > 100 mL ormax flow rate < 10 mL/s |
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