Table 3.
C-Statistic for Various Models Predicting eGFR Decline >30% or Renal Replacement Therapy at 1, 3, and 5 Years.
| Time to 30% eGFR decline or RRT: | KFRE | eGFR | TKV | KFRE + TKV | KFRE + best modela |
|---|---|---|---|---|---|
| 1 year | 0.68 (0.60-0.77) |
0.54 (0.45-0.63) |
0.65 (0.55-0.75) |
0.77 (0.67-0.87) |
0.84 (0.76-0.92) |
| 3 year | 0.65 (0.59-0.72) |
0.57 (0.51-0.63) |
0.67 (0.60-0.74) |
0.73 (0.66-0.79) |
0.75 (0.69-0.82) |
| 5 year | 0.72 (0.66-0.77) |
0.63 (0.57-0.69) |
0.70 (0.63-0.77) |
0.78 (0.72-0.84) |
0.81 (0.75-0.87) |
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 blood pressure, and TKV.