Characteristic | stmECIRS (n = 45) | stmPNL (n = 38) | P value |
---|
Age (years) | 54.64 ± 11.58 | 55.13 ± 11.22 | 0.847 |
Gender | 0.426 |
Male | 31 | 23 | |
Female | 14 | 15 | |
BMI (kg/m2) | 23.84 ± 3.49 | 22.44 ± 2.96 | 0.054 |
Hb (g/L) | 137.96 ± 13.61 | 131.89 ± 21.92 | 0.144 |
Scr(umol/L) | 74.4 (62.4, 82.9)b | 80.1 (68.1, 94.1)b | 0.204a |
Stone side | 0.062 |
Left | 27 | 15 | |
Right | 18 | 23 | |
Stone size (mm) | 48.7 (41.7, 67.0)b | 43.1 (35.5, 67.3)b | 0.128a |
Mean CT density (HU) | 1299.53 ± 282.75 | 1275.92 ± 345.16 | 0.733 |
No. of staghorn calculi | 0.368 |
Complete | 13 | 32 | |
Partial | 10 | 28 | |
- Data are reported as numbers and percentages or as mean ± SD, as appropriate
- StmPNL Group: Single tract minimally invasive percutaneous nephroscopy in prone position was performed for the patients in the prone position
- StmECIRS Group: Single tract minimally invasive endoscopic combined intrarenal surgery was performed in the improved prone frog split-leg position
- BMI: Body mass index; CT: computed tomography; HU: hounsfifield units
- aMann–Whitney U test was used when normal distribution was not obeyed
- bNon-normally distributed continuous variables were represented by the median (quartile)