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| Gallstones | Test for trend | ||
| Number (yes/total) | Prevalence | P value | |
| Number of metabolic abnormality | <0.001 | ||
| None | 105/2769 | 3.8 | |
| One | 132/2373 | 5.6 | |
| Two | 114/1617 | 7.1 | |
| Three or more | 96/1429 | 6.7 | |
