From: Retrograde endoscopic lithotripsy using the innovative nanosecond electropulse method
Stone size (mm) and location | Kidney/UPJ (Group I n = 54) | Ureter (Group II, n = 799) | Bladder (Group III, n = 26) | |||
---|---|---|---|---|---|---|
Upper/3 (n = 164) | Middle/3 (n = 67) | Lower/3 (n = 568) | Ureter total (n = 799) | |||
Up to 5, n (%) | 6 (11%) | 87 (53%)** | 46 (69%)***⊕⊕ | 341 (60%)***⊕ | 474 (59%)***⊕ | 0 (0%) |
5, to 10, n (%) | 38 (70%) | 56 (34%) | 18 (27%)⊕⊕ | 201 (35%) | 275 (34%) | 3 (12%) |
10, to 15, n (%) | 6 (11%) | 15 (9%) | 3 (4%) | 26 (5%)* | 44 (6%) | 9 (35%) |
15, n (%) | 4 (8%) | 6 (4%)*** | 0 (0%)** | 0 (0%)*** | 6 (1%)*** | 14 (53%) |