Table 2.
Comparison of intraoperative and postoperative surgical outcomes (matched pair analysis)
| Parameter | Mini-PCNL | RIRS | P |
|---|---|---|---|
| Operative time (min) | 51.58 | 69.75 | 0.003 |
| Fluoroscopy time (s) | 56.78 | 40.20 | 0.012 |
| Intraoperative complication | |||
| CD Grade I | 2 | 0 | |
| CD Grade II/III/IV/V | 0 | 0 | |
| Total | 2 | 0 | |
| Pain score-POD1 | 4.45 | 3.20 | 0.005 |
| POD2 | 2.70 | 1.05 | <0.001 |
| Postoperative complication | |||
| CD Grade I | 2 | 4 | |
| CD Grade II | 3 | 7 | |
| CD Grade III | 4 | 5 | |
| CD Grade IV/V | 0 | 0 | |
| Total | 9 | 16 | 0.03 |
| Drop in hemoglobin | 0.88 | 0.42 | <0.001 |
| Hospital stay | 2.85 | 2.45 | 0.155 |
| Stone free rate (%) | |||
| POD1 | 77.5 | 45 | 0.003 |
| 1 month | 90 | 85 | 0.615 |
| 3 months | 92.5 | 87.5 | 0.338 |
| Second surgery | |||
| DJ stent removal | 6 | 35 | |
| ESWL | 2 | 4 | |
| URSL | 1 | 1 |
Mini-PCNL: Minimally invasive percutaneous nephrolithotomy, RIRS: Retrograde intrarenal surgery, POD: Postoperative day, DJ: Double J, ESWL: Extra corporeal Shockwave Lithotripsy, URSL: Ureteroscopic lithotripsy