Table 3.
Postoperative outcome
| Items | PCNL (n=40) | ESWL (n=40) | P |
|---|---|---|---|
| Efficacy | |||
| Percentage initial SFR after single monotherapy | 77.5 | 27.5 | <0.001 |
| Percentage retreatment (same intervention) | 7.5 | 62.5 | 0.641 |
| Percentage retreatment (different intervention) | 15 | 10 | 0.502 |
| Median maneuvers till clearance (IQR) | 1 (1) | 2 (2) | <0.001 |
| Percentage overall SFR monotherapy | 87.5 | 90 | 0.723 |
| Safety | |||
| Percentage overall complications | 10 | 7.5 | 0.692 |
| Percentage modified Clavien system | |||
| G I | 5 | ||
| G II | 2.5 | ||
| G IIIa | 7.5 | ||
| G IIIb | 2.5 | ||
| QOL | |||
| Median PC 2 weeks (range) | 48 (19-59) | 47.6 (19-59) | 0.885 |
| Median MC 2 weeks (range) | 51 (28-63) | 51.8 (28-63) | 0.658 |
| Median PC 3 months (range) | 47 (40-56) | 47 (33-59) | 0.660 |
| Median MC 3 months (range) | 50 (29-57) | 47 (36-57) | 0.540 |
QOL: Quality of life, PCNL: Percutaneous nephrolithotomy, ESWL: Extracorporeal shock wave lithotripsy, IQR: Interquartile range, PC: Physical component, MC: Mental component, SFR: Stone-free rate