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Adjusted odds ratios (ORs) were adjusted for demographic covariates (age, sex, region of residence, income, and insurance type). Outlier values over the range of plots were omitted. Arrows indicate 95% CI values that were beyond those shown on the x-axis. Not applicable (NA) indicates aOR could not be calculated because there was no patient in certain subgroups. PPP indicates palmoplantar pustulosis.
