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Relative proportion of stone-free rates and infection-free rates at 3 months.
| Stone-Free at 3 Months | |||||
|---|---|---|---|---|---|
| No | Yes | Total | |||
| Infection-free at 3 months | No | 4 (20%) | 16 (80%) | 20 | p = 0.006 |
| Yes | 7 (4.4%) | 151 (95.6%) | 158 | ||
| Infection-free at 3 months | |||||
| No | Yes | Total | |||
| Stone-free | No | 4 (36.4%) | 7 (63.6%) | 11 | p = 0.006 |
| Yes | 16 (9.6%) | 151 (90.4%) | 167 | ||
