Table 2

Predictors of renal damage in patients with lupus nephritis*

UnivariableMultivariable
HR (95% CI)p-valueHR (95% CI)p-value
Age at nephritis diagnosis0.99 (0.97–1.00)0.049
Gender (male)1.60 (1.04–2.48)0.0331.83 (1.17–2.86)0.008
Residence (rural)0.87 (0.49–1.53)0.620
Ethnicity
 CaucasianRef.
 Mestizo1.51 (1.07–2.13)0.191
 African Latin-American1.41 (0.84–2.35)0.195
 Others1.04 (0.38–2.89)0.933
SES
 High0.27 (0.10–0.74)0.0110.25 (0.09–0.69)0.007
 Medium0.62 (0.43–0.89)0.0010.70 (0.49–1.01)0.058
 LowRef.Ref.
Early treatment response0.49 (0.32–0.76)0.0020.57 (0.37–0.90)0.014
Proteinuria1.39 (0.72–2.59)0.338
Low complement1.42 (1.03–1.96)0.032
Anti-dsDNA1.28 (0.94–1.75)0.118
Red cell casts2.10 (1.54–2.87)<0.001
Creatinine level1.18 (1.09–1.26)<0.001
Hypertension2.37 (1.70–3.30)<0.0011.86 (1.31–2.64)<0.001
Renal component of SLEDAI2.26 (1.62–3.16)<0.0012.02 (1.43–2.84)<0.001
Prednisone dose1.01 (1.00–1.01)0.008
Immunosuppressive drugs use1.50 (1.10–2.05)0.011
Antimalarial use0.454 (0.37–0.79)<0.0010.54 (0.37–0.79)0.002
  • *Clinically or histologically.

  • Anti-dsDNA, Anti-double-stranded DNA; SES, Socioeconomic status; SLEDAI, Systemic Lupus Erythematosus Disease Activity Index.