Table 2.
Operative data.
| Variables | Value | Test of sig. | P |
|---|---|---|---|
| Mean (SD; range) operative time, min | 71.5 (20; 25–130) | 1.7⁎ | 0.09 |
| Use of fluoroscopy guidance, n (%) | 4 (5) | 11.99† | 0.001 |
| JJ stenting, n (%) | 22 (27.5) | ||
| No stenting, n (%) | 58 (72.5) | 0.2† | 0.47 |
| Mean (SD; range) hospital stay, h | 10 (8.5; 10–36) | 2.24⁎ | 0.02 |
| SFR, n/N (%) | |||
| <15 mm | 60/64 (93.3) | ||
| >15 mm | 10/16 (62.5) | 8.75† | 0.003 |
| Lower calyx | 51/58 (87.9) | ||
| Different calyces | 16/18 (94.4) | 0.09† | 1 |
| Pelvis | 3/4 | ||
| After SWL | 33/36 (91.7) | 0.03† | 0.36 |
⁎
t-Test.
†
Fisher’s exact test.