Table 3. Intraoperative and postoperative data, follow-up.
| Procedure | PCNL | Microperc | P |
|---|---|---|---|
| N | 2 | 8 | – |
| Access technique | |||
| US | 3 | – | |
| X-ray fluoroscopy | 6 | – | |
| Combined | 19 | 8 | NS |
| Access site | |||
| Lower calyx | 22 | 7 | NS |
| Medium calyx | 5 | 1 | NS |
| Dual access | 1 | – | |
| Fragmentation energy | |||
| Ballistic | 15 | – | |
| Holmium laser | 2 | 8 | |
| Both | 11 | – | |
| Pyelic drainage | |||
| JJ stent | 16 | 3 | |
| Open and catheter | 12 | 5 | |
| Nephrostomy | 28 | – | |
| Operating time (min) | |||
| Median | 113 | 83 | |
| Min to Max | 62–186 | 42–122 | 0.032 |
| Hemoglobin decrease (g%) | 1.20±0.80 | 0.5±0.4 | 0.015 |
| Hospital stay (days) | |||
| Min to Max | 2–8 | 1–3 | 0.025 |
| Median | 3.8 | 2.2 | |
| Clavien-Dindo complications | |||
| Grade I | |||
| Fever | 3 | – | |
| Minor hematuria | 8 | 2 | |
| Grade II | |||
| Conversion to RIRS | 2 | 1 | |
| Bleeding | 7 | – | |
| Grade III | |||
| Transfusion | – | – | |
| Bowel injury | – | – | |
| Total | 20 | 3 | 0.021 |
| Stone free rate (%) | 82.2 | 87.5 | NS |
PCNL, percutaneous nephrolithotomy; Microperc, micropercutaneous; US, ultrasound; NS, not significant.