Table 2.
Perioperative and Postoperative Data
| PCNL (n = 60) | RIRS (n = 56) | P | |
|---|---|---|---|
| Operation time, min (range)a | 78.75 ± 27.0 (42–141) | 99.1 ± 29.5 (45–157) | <0.001 |
| Postoperative hospitalization time, d (range)a | 5.9 ± 1.5 (4–9) | 2.0 ± 1.0 (1–5) | <0.001 |
| Drop in Hb level in g/dl (range) | 13.3 ± 6.6 (1.1–37.4) | 10.2 ± 4.4 (2.8–21.3) | 0.004 |
| Initial stone-free, n (%) | 25 (35.7) | 11 (19.6) | 0.047 |
| Auxiliary procedures, n (%) | |||
| PCNL | 6 (10.0) | 2 (3.6) | 0.318 |
| RIRS | 12 (20.0) | 27 (48.2) | 0.001 |
| Shock wave lithotripsy | 7 (11.7) | 19 (33.9) | 0.004 |
| Final stone-free rate, % | 53 (88.3) | 46 (82.1) | 0.346 |
| Preoperative serum creatinine in umol/L (range) | 110.6 ± 38.1 (40.5–212.9) | 113.8 ± 44.5 (18–263.4) | 0.675 |
| Postoperative serum creatinine in umol/L (range) | 131.7 ± 57.4 (28.4–308.7) | 136.6 ± 56.8 (28.8–305.5) | 0.647 |
| Complications (Clavein classification), % | 19 (31.7) | 14 (25.0) | 0.426 |
| Fever (G I)(%) | 7 (11.7) | 9 (16.1) | 0.492 |
| Urinary tract infection requiring additional antibiotics (G II) (%) | 3 (5.0) | 2 (3.6) | 1.000 |
| Urine leakage < 12 h(G II) (%) | 1 (1.7) | 0 | - |
| Transfusion (G II) (%) | 7 (11.7) | 0 | - |
| Steinstrasse (G IIIa) (%) | 0 | 2 (3.6) | - |
| Sepsis (G IVa) (%) | 1 (1.7) | 1 (1.8) | 1.000 |
ainitial procedure plus auxiliary procedure