Figure 1 | Scientific Reports

Figure 1

From: Bidirectional association between gallstones and renal stones: Two longitudinal follow-up studies using a national sample cohort

Figure 1The alternative text for this image may have been generated using AI.

Schematic illustration of the participant selection process that was used in the present study. (a) Of a total of 1,125,691 participants, 20,711 gallstone patients were matched with 82,844 control I participants for age, group, sex, income group, region of residence, and past medical histories. (b) Of a total 1,125,691 participants, 23,165 renal stone patients were matched with 94,460 control II participants for age, group, sex, income group, region of residence, and past medical histories.

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