. 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 3.

Age-adjusted odds ratio and area under the receiver operator characteristic (c-statistic) for bone density, strength estimates and load-to-strength ratio at the proximal femur in an age-stratified sample of Rochester, Minnesota women over the age of 35 years.

	No Fracture (n=175)	Any Fracture (n=139)		Osteoporotic Fracture (n=55)

		OR (95% CI)^*	c-statistic	OR (95% CI)^*	c-statistic
Total Hip aBMD (g/cm²)	referent	1.3 (1.1, 1.5)	0.74	1.5 (1.1, 1.9)	0.84
Total Hip vBMD (mg/cm³)	referent	1.6 (1.1, 2.2)	0.74	2.0 (1.2, 3.3)	0.85
Proximal Femur Strength (N)	referent	1.3 (1.0, 1.9)	0.73	1.8 (1.1, 2.9)	0.84
Load-to-Strength Ratio	referent	1.6 (1.1, 2.2)	0.74	1.8 (1.2, 2.8)	0.84

[OR (95% CI) and c-statistic for Osteoporotic Fracture when referent group is considered No Osteoporotic Fractures: Hip aBMD, 1.4 (1.1, 1.8), 0.81; Total Hip vBMD, 1.9 (1.2, 3.1), 0.81; Proximal Femur Strength, 1.8 (1.1, 3.0), 0.81; Load-to-Strength Ratio 1.6 (1.2, 2.4), 0.81]

Odds ratio per SD decrease for all variables except load-to-strength ratio, which is per SD increase.