Fig. 1
From: Internal medicine board certification and career pathways in Japan
The change in certification status between 2010 and 2012 by physician registration year. Physicians who reported they were board certified in 2010 (A) either kept certification (F), lost certification (B) or their status became unknown (not reported) (C) in 2012. In addition to physicians certified both in 2010 and 2012, some were not certified in 2010 but certified in 2012 (D) and some whose certification status was known (not reported) in 2010 appeared to be certified in 2012 (E)