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Prevalence of autoantibodies in women of incremental states of frailty in WHAS I and II. Shaded regions in bars indicate percentage of women within the respective frailty-status group who were seropositive for TgAbs (A),TPOAbs (B), and ANAs (C). Study-specific probability weights were used to derive the percentages. P values were determined by the χ2 test.
