Table 4.
C-statistic for Various Models Predicting eGFR Decline >30% or Renal Replacement Therapy at 1, 3, and 5 Years Stratified by Baseline eGFR Greater or Less Than 50 mL/min/1.73 m2.
| Time to 30% eGFR decline or RRT: | eGFR > 50 | eGFR < 50 | ||
|---|---|---|---|---|
| KFRE + TKV | KFRE + best model | KFRE + TKV | KFRE + best modela | |
| 1 year | 0.73 (0.56-0.89) |
0.81 (0.68-0.93) |
0.86 (0.77-0.95) |
0.91 (0.86-0.97) |
| 3 year | 0.66 (0.55-0.77) |
0.74 (0.65-0.83) |
0.73 (0.63-0.83) |
0.77 (0.68-0.86) |
| 5 year | 0.64 (0.54-0.73) |
0.69 (0.59-0.78) |
0.85 (0.75-0.95) |
0.89 (0.81-0.97) |
Note. eGFR = estimated glomerular filtration rate; RRT = renal replacement therapy; KFRE = kidney risk failure equation; TKV = total kidney volume.
a
Best model includes age, sex, hypertension, systolic bp, TKV.