Table 4

Multiple regression analyses of BMD at lumbar spine and femoral neck (dependent variables), demographic and disease variables (independent variables) in 75 SLE patients

Predictors		Lumbar spine L2-L4			Femoral neck
Predictors		Adjusted estimate β^4-150			SE^†	p	Adjusted estimate β^4-150		SE^†	p
Age	−3.8	10⁻³	0.001	0.01	−4.4	10⁻³	0.001	<0.01
Sex	−2.2	10⁻²	0.510	0.66	−8.8	10⁻²	0.049	0.07
BMI	1.3	10⁻²	0.004	<0.01	1.1	10⁻²	0.004	0.01
Current corticosteroid dose	−8.1	10⁻³	0.004	0.03	−5.3	10⁻³	0.003	0.13
Cumulative corticosteroid dose	−2.2	10⁻⁷	0.000	0.16	−1.6	10⁻⁷	0.000	0.29
SDI	−9.8	10⁻⁴	0.009	0.92	−5.8	10⁻³	0.009	0.53
r ²(%)^‡				22				27

↵4-150 Adjusted estimate β : The regression coeffient, when considered in the multiple regression model. ^†SE : standard error of β. ^‡ r ² : total explained variance of the model.