| Kidney stone | Ureter stone | P-value |
---|---|---|---|
Patient characteristics | |||
 Numbers of patients | 167 | 191 |  |
 Age, mean ± SD | 56.4 ± 13.9 | 60.4 ± 13.7 | 0.007 |
 Sex, numbers of men, % | 90, 53.9 | 108, 56.5 | 0.615 |
 Diabetes mellitus, % | 48, 28.7 | 57, 29.8 | 0.820 |
 Hypertension, % | 65, 38.9 | 86, 45.0 | 0.243 |
 Psoas muscle cross-sectional area (mm2), mean ± SD | 1105.9 ± 373.1 | 1067.4 ± 368.7 | 0.326 |
Stone characteristics | |||
 Stone laterality, numbers on left side, % | 87, 52.1 | 93, 48.7 | 0.520 |
 Stone length (mm, X-axis), mean ± SD | 9.2 ± 3.5 | 6.6 ± 1.5 | < 0.001 |
 Stone length (mm, Y-axis), mean ± SD | 9.3 ± 3.2 | 7.4 ± 1.7 | < 0.001 |
 Stone length (mm, Z-axis), mean ± SD | 9.7 ± 3.1 | 9.4 ± 2.8 | 0.345 |
 Stone volume (mm3), mean ± SD | 516.8 ± 479.6 | 268.2 ± 182.2 | < 0.001 |
 Skin to stone distance 90o (mm), mean ± SD | 87.9 ± 14.8 | 108.9 ± 16.3 | < 0.001 |
 Mean stone density, mean ± SD | 834.3 ± 296.9 | 766.6 ± 274.7 | 0.025 |
 Stone heterogeneity index, mean ± SD | 178.0 ± 83.9 | 174.2 ± 84.9 | 0.669 |