Variables
PCNL (n=89) RIRS (n=72)
p value#
Age, years, median (25th-75th) 67 (66-70.75) 67 (65-72) 0.192
Gender, n (%) Female Male 40 (44.9) 49 (55.1) 32 (44.4) 40 (55.6)
0.949
Laterality, n (%) Right Left 44 (49.4) 45 (50.6) 25 (34.7) 47 (65.3)
0.061&
BMI, kg/m2, median (25th-75th) 26.1 (24.2-29.3) 26.7 (24.6-29.6) 0.494
Metabolic syndrome, n (%) 21 (23.6) 22 (30.6) 0.416&
Mean Preoperative GFR, mL/min 78.6 ± 19.1 82.1 ± 21.2 0.289^
Previous history of ESWL, n (%) Ipsilateral surgery, n (%) 15 (16.9) 17 (19.1) 17 (23.6) 25 (34.7) 0.384& 0.039&
CCI, n (%)** 0 1 ≥2 52 (58.4) 22 (24.7) 15 (16.9) 30 (41.7) 23 (31.9) 19 (26.4)
0.098≈
Stone location, n (%) 0.129¥
Pelvis Proximal ureter Single calyx Pelvis + one calyx Multiple calyx 35 (39.3) 2 (2.2) 19 (21.3) 21 (23.6) 12 (13.5) 19 (26.4) 5 (6.9) 22 (30.6) 12 (16.7) 14 (19.4)
Stone density, HU 980 ± 346 988 ± 357 0.593^
Stone size, mm2, 22.2± 3.5 19.9 ± 7.1 0.082