Table 1 Demographic and preoperative stone characteristics
Variable | Value |
|---|---|
Case no., n | 25 |
Age (year), mean ± SD (range) | 42.81 ± 12.3 (22–67) |
Gender, M/F | 15/10 |
Stone side, R/L | 7/18 |
Causes of solitary kidney, n (%) | |
Non-functioning kidney | 18 (72%) |
Previous nephrectomy | 7 (28%) |
Stone size (mm), mean ± SD (range) | 18.23 ± 6.27 (9–25) |
Stone number, n (%) | |
Single stone | 16 (64%) |
Multiple stone | 9 (36%) |
Stone location, (n) | |
Upper | 3 (12%) |
Middle calyx | 3 (12%) |
Pelvis | 4 (16%) |
Lower calyx | 7 (28%) |
Multiple calyx | 2 (8%) |
Upper ureter | 6 (24%) |
Preoperative double-J stenting | 5 (20%) |
Preoperative serum creatinine (mg/dl) | 1.79 ± 1.21 |
Preoperative GFR (ml/min) | 61.12 ± 34.76 |
Previous stone related intervention, (n) | 13 (52%) |
PCNL | 3 (12%) |
URS | 8 (32%) |
Open and URS | 2 (8%) |