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| Stone formers (n=77) | Non-stone formers (n=85) | P value | |
|---|---|---|---|
| Age at CT (mean ± SD) | 43.6±11.9 | 47.4±7.6 | 0.02 |
| Body mass index (mean ± SD) | 27.4±7 | 27.4±3.9 | 0.96 |
| Male | 32 | 37 | 0.8 |
| Female | 45 | 48 | 0.8 |
