Table 3 Regression coefficients obtained through linear regression models for PWV values.

Variable	Crude estimates		Adjusted estimates^a		Predictive model^b
Variable	Coeff	95% CI	Coeff	95% CI	Coeff	95% CI
Sclerostin^c	0.14	0.08; 0.20	− 0.03	− 0.06; 0.00
Age	0.10	0.09; 0.11	0.08	0.06; 0.10	0.08	0.07; 0.09
BMI	0.11	0.05; 0.16	− 0.01	− 0.04; 0.02
SLE duration	0.06	0.03; 0.10	0.02	− 0.00; 0.03
Smoking	0.44	− 0.27; 1.15	0.16	− 0.18; 0.50
Sedentary	0.49	− 0.11; 1.08	− 0.04	− 0.29; 0.21
HTN	1.05	0.49; 1.61	0.35	0.10; 0.60	0.29	0.08; 0.51
LDL ≥ 130 mg/dL	0.88	0.29; 1.48	− 0.13	− 0.41; 0.14
MetS	1.33	0.60; 2.05	0.33	− 0.11; 0.78
SLEDAI-SELEN	− 0.15	− 0.30; − 0.02	0.00	− 0.06; 0.06
SDI > 0	− 0.10	− 0.81; 0.62	0.04	− 0.23; 0.30
APS	0.29	− 0.77; 1.36	0.13	− 0.26; 0.52
Prednisone	− 0.02	− 0.25; 0.22	0.06	− 0.04; 0.16
HCQ use	− 0.34	− 1.19; 0.52	− 0.38	− 0.72; − 0.04
LN	− 0.61	− 1.20; − 0.01	− 0.39	− 0.71; − 0.06
CPR	0.03	− 0.02; 0.07	− 0.03	− 0.05; − 0.01	− 0.02	− 0.04; − 0.01
C3	0.02	0.01; 0.03	− 0.00	− 0.01; 0.01
C4	0.04	− 0.01; 0.09	0.02	− 0.01; 0.04
Framingham	0.39	0.33; 0.46	0.10	0.03; 0.17	0.12	0.07; 0.18

BMI body mass index, HTN hypertension, LDL low density lipoprotein, MetS metabolic syndrome, SLEDAI-SELENA Systemic Lupus Erythematosus Disease Activity Index, SDI Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index, APS antiphospholipid syndrome, HCQ hydroxychloroquine, LN lupus nephritis.
^aThe model included all the independent variables shown in the table.
^bThe stepwise model included only variables with a p-to-enter value < 0.05 and a p-to-remove value > 0.10.
^cEstimated for sclerostin value × 10.

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