Table 2. Comparison of postoperative parameters between the two groups.
| Variable | Group A (non-stented) (n=119) | Group B (pre-stented) (n=124) | P value |
|---|---|---|---|
| Operative time (min) | 66.53 | 59.85 | 0.0001 |
| Length of hospital stay (day) | 6.56 | 10.67 | 0.0001 |
| SFRs at 3-days after fURS | 36.1% (43/119) | 51.6% (64/124) | 0.0034 |
| SFRs at 1-month after fURS | 84.0% (100/119) | 85.5% (106/124) | 0.895 |
| Complications rates | 21.3% (25/119) | 20.1% (26/124) | 0.597 |
| Re-operation rates | 15.1% (18/119) | 16.9% (21/124) | 0.558 |
| Hospital costs (RMB) | 18,756 | 23,450 | 0.0001 |
fURS, flexible ureteroscopy. SFRs, stone-free rates.