Group A | Group B | ||
---|---|---|---|
(URL + RIRS) | (URL alone) | ||
Variable | 72 patients | 72 patients | P |
Operative duration, mean (SD), range (min) | 72.4 (21.3),42.5–100 | 36.4 (10.2),24–50 | <0.001 |
Haemoglobin drop (g/dL), mean (SD) | 0.5 (0.21),0.1–0.7 | 0.2 (0.11),0.1–0.4 | <0.001 |
Hospital duration, mean, (SD), range (days) | 6.4 (2.9),3–12 | 5.3 (2.1),2–12 | 0.521 |
Complication rate, no. (%) | 8 (22.2) | 5 (13.9) | 0.358 |
Modified Clavien classification | |||
GradeI | 8 (11.1) | 4 (5.6) | |
Grade II | 4 (5.6) | 4 (5.6) | |
Grade IIIa | 4 (5.6) | 2 (2.8) | |
Pain visual analogue score (1 – 10), mean, (SD), range | |||
At 6 h | 4.3 (1.3),4–7 | 3.1 (1.1),2–6 | <0.001 |
At 12 h | 2.8 (0.9),2–5 | 2.1 (0.7),1–4 | <0.001 |
At 24 h | 2.0 (0.3),1–4 | 1.8 (0.1),1–3 | 0.477 |
Ureteral stone free rate (U-SFR), no. (%) | 72 (100) | 72 (100) | - |
Renal stone free rate (R-SFR), no. (%) | 62 (86.1) | 0 (0) | <0.001 |
Stone composition, no. (%) | 0.872 | ||
Calcium oxalate | 34 (47.2) | 30 (41.7) | |
Calcium oxalate and phosphate | 20 (27.8) | 24 (33.3) | |
Uric acid | 16 (22.2) | 14 (19.4) | |
Struvite | 2 (2.8) | 4 (5.6) |