| Sex, male (n,%) |
86 (54.6 %) |
| Age (y) |
52.8±17 |
| BMI (cm/kg2) |
26.2±5.9 |
| Multiple stones (n,%) |
73 (44.7%) |
| Diameter of the largest stone |
12.9±5.7 |
| Cumulative stone diameter (mm) |
15±8.6 |
|
Stone composition
|
|
|
Calcium oxalate monohydrate (n,%) |
56 (34%) |
|
Calcium oxalate dehydrate (n,%) |
8 (4.9%) |
|
Uric acid (n,%) |
13 (8%) |
|
Carbapatite (n,%) |
27 (16.6%) |
|
Unclear (n,%) |
59 (36.1%) |
| Preoperative stenting (n,%) |
46 (63.8%) |
| Mean operation time (min) |
96.4±40.78 |
| Ureteral Access Sheath (n, %) |
144 (88.3%) |
| Postoperative ureteral JJ stent |
115 (70.6%) |
| Multiple procedures (n, %) |
29 (17.8%) |
| Stone free rate (n,%) |
121 (74.2%) |
| Follow-up (months) |
15.5±11.5 |
