Erratum
Correction to: Estimates of the prevalence of and current treatment practices for rheumatoid arthritis in Japan using reimbursement data from health insurance societies and the IORRA cohort (I)

This article refers to:

Estimates of the prevalence of and current treatment practices for rheumatoid arthritis in Japan using reimbursement data from health insurance societies and the IORRA cohort (I)

Following online first publication, the authors notified the editor that the legend of Figure 1b was written incorrectly: “Of all patients being treated for RA” should read “Of all patients diagnosed with RA”.

The correct version of the figure and caption is presented below.

Figure 1. Changes over time in the proportion of patients prescribed specific classes of drugs for RA. (a) Of all patients diagnosed with RA. (b) Of all patients diagnosed with RA. (c) Results of the IORRA cohort. The number of patients aged < 75 years in the IORRA cohort ranged from 4,312 in 2005 to 5,001 in 2011.