Table 2.

Changes in board certification status between 2010 and 2012

Year of registration as physician	Certified as of 2010 survey	Lost certification	Not reported in 2012 survey	Obtained certification	Not reported in 2010 survey	Certified as of 2012 survey
	(A)	(B)	(C)	(D)	(E)	(F)
2012–2008	0	0	0	0	0	0
2007–2003	890	97	75	2000	163	2881
2002–1998	5183	419	324	1452	388	6280
1997–1993	6579	512	237	860	267	6957
1992–1988	7048	499	228	655	234	7210
1987–1983	6325	523	183	589	151	6359
1982–1978	5539	509	165	536	138	5539
1977–1973	3176	329	122	331	92	3148
1972 or before	4228	955	495	684	189	3651
Total	38,968	3843	1829	7107	1622	42,025