Table 2 Comparison between nephrolithotomy(Mini-PCNL) and flexible reterorenoscopy (RIRS) according to stone characters
Mini-PCNL (35) | RIRS (35) | Statistical test (x2) | P value | |
|---|---|---|---|---|
Site no. (%) Lower calyx pelvis + Lower calyx Pelvis Middle calyx | 14 (40) 2 (5.7) 14 (40) 5 (14.3) | 9 (25.7) 6 (17.1) 12 (34.3) 8 (22.9) | FET = 5.82 | 0.21 |
Size (mm), mean ± SD | 20.43 ± 2.2 | 20.5 ± 2.1 | St t = 1.28 | 0.21 |
Side no.(%) Rt Lt | 18 (51.4) 17 (48.6) | 12 (34.3) 23 (65.7) | 2.1 | 0.15 |
Density no.(%) Opaque Lucent | 28 (80.0) 7 (20.0) | 27 (77.1) 8 (22.9) | 2.1 | 0.15 |