Table 4. Number and Percentage of Practicing Senior Surgeons Who Performed Significantly Below the Younger Surgeon Group on Cognitive Tests across Age Groups.

Number of tests	Age group, y								Total
	60–64		65–69		70–74		75+
	n	%	n	%	n	%	n	%
	0	43	78	14	48	7	47	2		22	66
	1	10	18	11	38	7	47	7		78	35
2	2	4	4	14	1	6	0		7
3	0		0		0		0		0
Total	55	100	29	100	15	100	9	100	108