Adjusted hazard ratios for rheumatoid arthritis (RA) among subjects with chronic hepatitis virus infection and prescribed disease-modifying anti-rheumatic drugs (DMARDs) by sex and age.

aAdjusted for sex, age, region, occupation, urbanization, income, and Charlson comorbidity index (CCI).bAdjusted for age, region, occupation, urbanization, income, and Charlson comorbidity index (CCI).cAdjusted for sex, region, occupation, urbanization, income, and Charlson comorbidity index (CCI).dNo: non-chronic HBV and HCV infection comparison cohort.eHBV/HCV infection: chronic HBV and HCV dual infections cohort.*pAdjusted hazard ratios for rheumatoid arthritis (RA) among subjects with chronic hepatitis virus infection and prescribed disease-modifying anti-rheumatic drugs (DMARDs) by sex and age.