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Average marginal effects (AME) of factors for non-emergent ED visits ordered by effect size from three representative study cohorts (LHID2000, LHID2005, LHID2010) in Taiwan. (n = 1,000,000 for each cohort, total ED visits, n = 475,862). AME were calculated using a logistic model adjusted for listed factors, in addition to Charlson’s index. The most frequent level of each factor was used as the base value (reference line at zero).
