Table 4.

Analysis of the significance of the various quantitative X-ray outputs as a risk prediction model of a non-normal dual-energy X-ray absorptiometry outcome for the multivariate model selected using forward-backward stepwise model selection

	Estimate	SE	t-value	P value
(Intercept)	−167.7	102.7	−1.63	0.103
Gender	−2.76	0.746	−3.70	<0.001
Bone thickness	−86.7	54.8	−1.58	0.114
Intensity	0.0876	0.0252	3.48	<0.001
Thickness	13.8	7.60	1.82	0.0689
Hard tissue fraction	1494.3	1071.4	1.39	0.163
Bone thickness2	11.2	6.47	1.73	0.0836
Thickness2	−0.246	0.124	−1.99	0.0471
Hard tissue fraction2	−3686.6	2491.1	−1.48	0.139