Table 1.
Baseline characteristics of the included patients
| Variable | URSL group | MPCNL group | RPUL group | P valuea | P valueb | P valuec |
|---|---|---|---|---|---|---|
| N = 50 | N = 50 | N = 50 | ||||
| Mean age (years) | 42 ± 14 | 41 ± 15 | 44 ± 11 | 0.769 | 0.385 | 0.581 |
| Male/female | 28/22 | 31/19 | 29/21 | 0.274 | 0.162 | 0.469 |
| Side (left / right) | 26/24 | 27/23 | 29/21 | 0.481 | 0.376 | 0.583 |
| Mean stone size (mm) | 16.8 ± 2.1 | 19.3 ± 1.8 | 18.8 ± 1.4 | 0.677 | 0.943 | 0.876 |
| Hydronephrosis (mm) | 35.8 ± 5.5 | 40.2 ± 7.8 | 38.4 ± 6.9 | 0.264 | 0.573 | 0.815 |
aURSL vs. MPCNL; bURSL vs. RPUL; cMPCNL vs. RPUL