Fig. 4

Subgroup analysis of the association between IBI and gallstones. Notes: PIR, poverty-to-income ratio; OR, odds ratios; CI, confidence intervals. T2, the second tertile; T3, the third tertile
Subgroup analysis of the association between IBI and gallstones. Notes: PIR, poverty-to-income ratio; OR, odds ratios; CI, confidence intervals. T2, the second tertile; T3, the third tertile