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Fig. 2 | Arthritis Research & Therapy

Fig. 2

From: Abatacept monotherapy compared with abatacept plus disease-modifying anti-rheumatic drugs in rheumatoid arthritis patients: data from the ORA registry

Fig. 2

Flow chart illustrating the patient inclusion protocol for the study. Patients were excluded if their data consisted of outliers (n = 12) or contained errors in the collection process. Missing data constituted the main explanation for patient exclusion. At a minimum, treatment information at months 0 and 6 was required for inclusion

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