For the four levels of 1-h urine leakage, mild urinary incontinence 1-hour urine leakage ≤1 ml (1g); moderate urinary incontinence is 1 ml <1h urine leakage
For the four grades of 1-hour urinary leakage, mild urinary incontinence 1-hour urine leakage ≤ 1 ml (1g); moderate urinary incontinence is 1 ml < 1 h urine leakage