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Results of endoscopic stone removal after small EST + ELBD vs EST (stone size ≥ 15 mm)
| Group A (n = 27) | Group B (n = 28) | P value | |
| Stone removal in the first session (%) | 23 (85) | 23 (86) | 0.473 |
| Mechanical lithotripsy (%) | 9 (33) | 9 (32) | 0.527 |
| Mean procedure time (min)12 | 18 ± 12 | 19 ± 13 | 0.917 |
| Mean therapeutic session1 | 1.27 ± 0.53 | 1.31 ± 0.71 | 0.714 |
mean ± SD;
Calculated from initial success cases (n = 23 in both groups). Overall success rate of the first session: 84%.
