. Author manuscript; available in PMC: 2012 Jul 1.

Published in final edited form as: J Bone Miner Res. 2011 Jul;26(7):1593–1600. doi: 10.1002/jbmr.347

Table 2.

Bone density, strength estimates and load-to-strength ratio at the proximal femur in an age-stratified sample of 314 Rochester, Minnesota women over the age of 35 years.

	Mean (SD)
	No Fracture (n=175)	Any Fracture (n=139)	No Osteoporotic Fracture (n=259)	Osteoporotic Fracture (n=55)
Age (years)	56 ± 13	68 ± 14^***	59 ± 14	74 ± 12^***
Total Hip aBMD (g/cm²)	0.86 ± 0.14	0.75 ± 0.14^***	0.84 ± 0.14	0.70 ± 0.14^***
Total Hip vBMD (mg/cm³)	267.1 ± 45.8	232.5 ± 44.2^***	259.9 ± 45.3	213.6 ± 43.4^***
Proximal Femur Strength (N)	3866.9 ± 1186.6	3054.9 ± 1186.5^***	3704.9 ± 1178.8	2577.7 ± 1172.2^***
Load-to-Strength Ratio	0.98 ± 0.33	1.26 ± 0.45^***	1.03 ± 0.36	1.43 ± 0.50^***

p<0.05

^**

p<0.01

^***

p<0.001 comparing any fracture versus no fracture and osteoporotic fracture versus no osteoporotic fracture