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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: Early medication use in new-onset rheumatoid arthritis may delay joint replacement: results of a large population-based study

Fig. 1

Kaplan-Meier estimates of time to joint replacement surgery. Groups of drug exposure were based on treatment(s) received during the first year after the cohort entry: 1) users of methotrexate (MTX) only (Metho_only); 2) users of other disease-modifying anti-rheumatic drugs (DMARD) only (DMARDs_only); 3) users of both MTX and DMARDs (Metho_DMARDs); and 4) patients not prescribed either MTX or any other DMARD during the first year of follow up (None)

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