Table 1. Demographic data and clinical characteristics.
| N or mean | % or ±SD | |
|---|---|---|
| Gender | ||
| Male | 226 | 63.5% |
| Female | 130 | 36.5% |
| Age, years | 53,5 | ±14.3 |
| BMI, kg/m2 | 26.5 | ±4.2 |
| ASA score | 1.6 | ±0.8 |
| Diabetes | 41 | 11.5% |
| CKD | 10 | 2.8% |
| Hyperuricemia | 13 | 3.7% |
| Other metabolic disease | 26 | 7.3% |
| Renal malformation | 30 | 8.4% |
| Previous stone treatments | 114 | 32.0% |
| Hydronephrosis | 152 | 42.7% |
Values are mean and SD or absolute number and percentage.BMI = Body Mass Index; CKD = chronic Kidney disease; ASA = American Society of Anesthesiologists class risk.