Table.

Mean (SE) femoral dimensions and percentage increase over time in men and women who died in 1900-20 and in the 1980s

	Time of death
Dimension	1900-20	1980s	Increase (%)	P value
Femoral length (mm):
Men	457.3 (4.3)	464.9 (5.2)	1.7 (0.6)	0.05
Women	422.0 (3.1)	428.4 (4.1)	1.5 (0.5)	0.05
Neck length (mm):
Men	34.9 (0.6)	38.3 (0.8)	9.7 (1.0)	<0.001
Women	32.5 (0.9)	35.0 (0.7)	8.7 (0.9)	<0.001
Neck width (mm):
Men	34.1 (0.4)	35.8 (0.6)	5.0 (0.6)	<0.05
Women	30.6 (0.6)	32.1 (0.4)	4.9 (0.6)	<0.05
Head diameter (mm):
Men	48.5 (0.4)	50.2 (0.6)	3.5 (0.4)	<0.05
Women	43.7 (0.5)	45.2 (0.6)	3.4 (0.5)	<0.05
Anteversion (degrees):
Men	7.9 (0.8)	4.4 (1.3)		NS
Women	7.5 (1.2)	7.4 (1.0)		NS