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Treatment outcomes of ureteroscopy for multiple kidney stones
| Ref | Study type | No. of | Mean number | Mean number | SFR after the | SFR after the |
| patients | of stones | of operation | 1st operation | 2nd operation | ||
| Breda et al[43] | Single center, retrospective, unilateral kidney | 51 | 3.1 | 1.4 | 64.7% | 92.2% |
| Herrera-Gonzalez et al[44] | Single center, retrospective, unilateral kidney | 125 | 3.59 | 1 | 74.4% | NA |
| Huang et al[45] | Single center, retrospective, bilateral kidney | 25 | 5.1 | 1.5 | 50% | 92% |
SFR: Stone free rate.
