Table 4.

Multivariate Linear Regression Analysis for Predictors of Increased CC-IMT and S. iFGF23 in SLE Patients with and without Lupus Nephritis (LN)

A: Outcome: Increased CC-IMT
G2: SLE Patients (N = 20)			G3: LN Patients (N = 28)
Model R2		0.614	Model R2		0.339
Model Significance		0.029*	Model Significance		0.042*
Predictors	β Coefficient	Adjusted P	Predictors	β Coefficient	Adjusted P
Cum_S	0.833	0.05*	S. iFGF23	0.442	0.09
S. iFGF23	0.195	0.475	Cum_S	− 0.053	0.792
S. Phosphorus	0.043	0.86	Dyslipidaemia	0.163	0.43
Haemoglobin	− 0.420	0.089	Proteinuria	0.099	0.64
Dyslipidaemia	− 0.364	0.214
Age	− 0.308	0.292
*Significant (P < 0.05).
B: Outcome: Increased S. iFGF23
G2: SLE Patients (N = 20)			G3: LN Patients (N = 28)
Model R2		0.611	Model R2		0.463
Model Significance		0.005**	Model Significance		0.028*
Predictors	β Coefficient	Adjusted P	Predictors	β Coefficient	Adjusted P
S. LDL	0.072	0.73	SMART Score	0.233	0.277
S. Phosphorus	0.397	0.049*	Dyslipidaemia	0.231	0.209
S. Creatinine	0.276	0.197	Proteinuria	0.466	0.026*
Cum_S	0.314	0.121	S. Creatinine	− 0.046	0.828
			Av_S	0.059	0.762
			S. Phosphorus	0.011	0.954
*Significant (P < 0.05), **Highly significant (P < 0.01).

Abbreviations: CC-IMT, common carotid intima-media thickness; Cum_S, cumulative steroid dose; S, serum; iFGF23, intact fibroblast growth factor 23; LDL, low-density lipoproteins; Av_S, average steroid dose.