BMC Nephrology

Table 5 Univariate and multivariate Cox-proportional hazard analysis of variables associated with all-cause mortality

From: Comparison of clinical features and outcomes between patients with early and delayed lupus nephritis

	Univariate analysis			Multivariate analysis
	Odds ratio	95% CI	p-value	Odds ratio	95% CI	p-value
Age, years	1.066	1.019–1.115	0.006	1.065	1.018–1.114	0.006
Female sex	1.117	0.141–8.851	0.917
SLEDAI-2 K	0.927	0.782–1.099	0.382
Complement 3, mg/dL	0.990	0.963–1.017	0.443
Complement 4, mg/dL	0.924	0.814–1.048	0.220
Anti-dsDNA (IU/mL)	0.998	0.995–1.002	0.314
Spot urine P/Cr ratio	0.682	0.458–1.017	0.060
WBC count (/μL)	1.000	0.999–1.000	0.445
Platelet count (×1000/μL)	1.000	0.993–1.007	0.996
Hemoglobin (g/dL)	0.653	0.467–0.913	0.013	0.656	0.448–0.959	0.030
Lymphocyte count (/μL)	0.999	0.998–1.001	0.361
ESR (mm/hr)	1.010	0.991–1.029	0.323
CRP (mg/L)	1.017	1.001–1.033	0.034
Cr (mg/dL)	1.479	0.889–2.461	0.132
Albumin (g/dL)	0.927	0.399–2.152	0.860
Activity index	1.004	0.892–1.129	0.954
Chronicity index	1.233	0.861–1.766	0.252
Early lupus nephritis	0.671	0.194–2.319	0.529
Delayed lupus nephritis	1.490	0.431–5.148	0.529
Hypertension	2.965	0.834–10.539	0.093
Diabetes mellitus^a	n/a
Dyslipidemia^a	n/a

SLEDAI-2 K systemic lupus erythematosus disease activity index-2000, P/Cr protein/creatinine, WBC white blood cell, ESR erythrocyte sedimentation rate, CRP C-reactive protein, Cr creatinine, n/a not applicable
^aThe odds ratio was not calculable because no death occurred in patients with diabetes mellitus and dyslipidaemia

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ISSN: 1471-2369

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