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Table 3 Significant predictors of end-stage renal disease (ESRD) in a cohort of 37 patients with lupus nephritis

From: The renal metallothionein expression profile is altered in human lupus nephritis

Variable Number of ESRD patients/total number of patients Patient-years ESRD rate/1,000 patient-years Rate ratio P valuea
Tubular MT scoreb      
   < 1.0 6/16 79 75.9 6.2 0.03
   ≥ 1.0 1/21 82 12.1 1.0  
Chronicity index score      
   < 4 4/30 137 29.2 1 0.04
   ≥ 4 3/7 24 125 4.2  
Interstitial fibrosis      
   < 2 4/31 143.5 27.8 1 0.008
   ≥ 2 3/6 17.5 171.4 6.1  
  1. aLog-rank test. bMetallothionein score as defined in the text.