Table 2. Operative variables.
| G<20 | G≥25 | P value | ||
|---|---|---|---|---|
| (n = 51) | (n = 153) | |||
| Operative time (min); mean (SD) | 120.4 ± 46.6 | 121.21 ± 51.1 | 0.925 | |
| Number of accesses; n (%) | ||||
| 1 | 35 (68.6) | 108 (70.6) | 0.699 | |
| 2 | 13 (25.5) | 32 (20.9) | ||
| 3 or more | 3 (5.9) | 13 (8.5) | ||
| Upper calyx access | ||||
| n (%) | 9 (17.6) | 32 (20.9) | 0.690 | |
| Fluoroscopy time (min) | ||||
| Mean ± SD | 14.92 (9.47) | 14.42 (7.55) | 0.735 | |
| Tubeless | ||||
| n (%) | 12 (23.5) | 25 (16.3) | 0.294 | |
| Hospital stay (hour) | ||||
| Mean ± SD | 67.53 (82.19) | 63.90 (59.77) | 0.772 | |
| Overall success rate; n (%) | 19 (37.3) | 52 (34) | 0.735 | |
Data are presented as median (first quartile, third quartile) or number (proportion).
SD = standard deviation