Table 2 Patient and stone characteristics
Feature | Mean (range) |
|---|---|
Sample size, n | 38 |
Age, years | 49 (45; 53) |
Body mass index, kg/m2 | 27 (25; 28) |
ASA, scores | 2 (1; 3) |
Maximum diameter of the stone, mm | 10 (10; 14) |
Density of the stone, HU | 1060 (930; 1190) |
Stone location | |
Upper calyx | 16 |
Middle calyx | 11 |
Lower calyx | 7 |
Pyelus | 4 |
Duration of RIRS, min | 26 (14; 32) |
Stone free rate | 86% |