Table 1 Comparison of the baseline characteristics of included patients
RIRS | UMP | P | |
|---|---|---|---|
No. patients | 33 | 30 | |
Male/female n(%) | 20/13 (60.6%/39.4%) | 19/11 (61.9%/38.1%) | 0.824 |
Mean age (years) | 49.12 ± 11.5 (26–77) | 52.50 ± 11.2 (22–70) | 0.242 |
Mean BMI (kg/m2) | 24.20 ± 2.9 (19.11–30.39) | 23.45 ± 2.7 (16.44–27.11) | 0.289 |
Mean stone length (cm) | 2.57 ± 0.5 (1.5–3.3) | 2.68 ± 0.5 (1.6–3.5) | 0.377 |
Mean stone volume (cm3) | 5.47 ± 2.00 (1.4–8.3) | 5.54 ± 2.63 (2.0–9.8) | 0.904 |
Stone side n (%) | 0.479 | ||
Left | 18 (54.5%) | 19 (63.3%) | |
Right | 15 (45.5%) | 11 (36.7%) | |
Comorbidities n (%) | 0.894 | ||
None | 20 (60.6%) | 18 (60.0%) | |
Hypertension | 5 (15.2%) | 5 (16.7%) | |
Diabetes | 5 (15.2%) | 3 (10.0%) | |
Others | 3 (9.1%) | 4 (13.3%) | |
Hydronephrosis n (%) | 0.740 | ||
0 degree | 20 (60.6%) | 15 (50.0%) | |
1 degree | 9 (27.3%) | 9 (30.0%) | |
2 degree | 2 (6.1%) | 4 (13.3%) | |
3 degree | 2 (6.1%) | 2 (6.7%) | |
Preoperative urine WBC n (%) | 0.246 | ||
– | 14 (42.4%) | 14 (46.7%) | |
+ | 6 (18.2%) | 10 (33.3%) | |
++ | 4 (12.1%) | 3 (10。0%) | |
+++ | 9 (27.3%) | 3 (10.0%) |