Table 4.

Bone mineral density of the upper femur pre and post marathon

	Left leg			Right leg
	Pre	Post	Change	Pre	Post	Change
Neck (g cm-2)	0.778	0.784	0.8%	0.740	0.740	-0.1%
Upper neck (g cm-2)	0.612	0.615	0.5%	0.542	0.548	1.2%
Lower neck (g cm-2)	0.943	0.952	0.9%	0.937	0.929	-0.9%
Wards (g cm-2)	0.692	0.700	1.1%	0.613	0.594	-3.1%*
Trochanter (g cm-2)	0.975	0.989	1.4%	0.897	0.879	-2.1%*
Shaft (g cm-2)	1.145	1.145	0.1%	1.094	1.085	-0.8%
Total (g cm-2)	1.011	1.017	0.6%	0.953	0.943	-1.0%

*, pre to post change >1.5 × coefficient of variation for this variable.