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Table 3 Baseline characteristics (1999 or earlier) evaluated for the prediction of ESRD (RRT) that occurred between 2000 through 2004 according to whether patients had complete data for the logistic regression model (shown in Table 4) and the subgroup that we excluded because they were missing one or more characteristics.

From: Predicting the risk of end-stage renal disease in the population-based setting: a retrospective case-control study

Characteristic % or mean % or mean % or mean % or mean
  Complete cases (n = 2,464) Deleted from model (n = 2,871)
  Cases (n = 350) Controls (n = 2,114) Cases
(n = 135)
Controls (n = 2,736)
Demographic matching     
   Age (mean, continuous) 64.3 68.7 64.9 61.1
   Sex (%, male is referent) 47.1 47.7 41.5 43.9
Clinical     
   Hypertension (%) 94.9 65.42 80.7 44.2
   Diabetes (%) 52.3 23.0 58.5 10.4
   Congestive heart failure (%) 26.9 7.4 20.0 2.1
   Peripheral vascular disease (%) 22.3 5.8 25.2 2.3
   Gout/Uric acid (%) 72.3 30.7 37.8 8.7
Laboratory     
Renal function (GFR, %)     
   90+ (referent) 4.9 25.2 10.4 12.0
   60-89 12.6 57.7 17.0 23.8
   <60 82.6 17.2 58.5 6.7
   Unknown    14.1 57.5
Urine Protein (%)     
   No (referent) 39.1 90.9 2.26 13.3
   Yes 60.9 9.1 0.74 0.4
   Unknown    97.0 86.3