Table 2.
Perioperative measures in both groups
| Perioperative variables | GI n = 72 | GII n = 76 | p value |
|---|---|---|---|
| Volume of irrigation fluid (L) | 5.5 ± 1.4 | 3.3 ± 1.6 | < 0.001 |
| Stone lithotripsy time (min) | 14.2 ± 2.1 | 10.5 ± 1.3 | < 0.001 |
| Operative time (min) | 40.8 ± 9.1 | 33.1 ± 10.1 | < 0.001 |
| Length of hospital stay (days) | 1.0 ± 0.4 | 0.8 ± 0.4 | 0.003 |
| Proximal fragment migration | 13 (18.1) | 5 (6.5) | 0.04 |
| Retropulsion (≥ 4 mm) | 8 (11) | 1 (1.3) | 0.02 |
| Intraoperative complications | 7 | 5 | 0.76 |
| Abortion of the procedure | 2 (2.8) | 2 (2.6) | 0.77 |
| Ureteral perforation | 1 (1.4) | 1 (1.3) | |
| Mucosal injury | 4 (5.5) | 2 (2.6) | |
| Postoperative analgesics | |||
| ≤ 1 amp/day | 45 (62.5) | 60(78.9) | 0.03 |
| ≥ 2 amp/day | 27 (37.5) | 16 (21.0) | |
| Stone-free rate | 62 (86.1) | 73 (96.1) | 0.04 |
| Auxiliary procedures | |||
| Total | 10 (13.8) | 3 (3.9) | 0.03 |
| SWL | 5 (6.9) | 1 (1.3) | |
| URS | 5 (6.9) | 2 (2.6) | |
| Number of ephedrine given (6:18 mg) | 15 (20.8) | 30 (39.5) | < 0.01 |
| Postop serum sodium (mEq/L) | 139.5 ± 1.6 | 137.4 ± 1.5 | < 0.0001 |
| Postop serum potassium (mEq/L) | 4.3 ± 0.63 | 3.8 ± 0.4 | < 0.0001 |
| Postoperative complication | |||
| UTI | 3 (4.1) | 1 (1.3) | 0.48 |
| Hematuria | 2 (2.7) | 2 (2.6) |
Data presented as mean ± SD (range) or frequency (%)
UTI urinary tract infection