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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 mellitusa n/a    
Dyslipidemiaa n/a    
  1. 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
  2. aThe odds ratio was not calculable because no death occurred in patients with diabetes mellitus and dyslipidaemia