Table 3.
Evolution of MDRD measures over time (final measure—initial measure).
| All (N = 4394) |
CKD Grade 3 N = 221 (5%) |
CKD Grade 2 N = 2383 (54.2%) |
Normal eGFR N = 1579 (35.9%) |
Hyperfiltration N = 210 (4.8%) |
Overall p-Value | |
|---|---|---|---|---|---|---|
| Initial MDRD | 85 (74; 97) | 54 (49; 58) | 78 (71; 83) | 98 (93; 106) | 130 (124; 138) | <0.01 * |
| Final MDRD | 88 (77; 101) | 59 (52; 65) | 81 (74; 89) | 100 (92; 110) | 122 (109; 136) | <0.01 * |
| Delta MDRD | 3 (−3; 10) | 6 (0; 10) | 4 (−1; 11) | 0 (−7; 9) | −8 (−21; 2) | <0.01 * |
Values are presented in median (interquartile range) or N (%). Missing values: waist circumference: N = 2; muscle mass: N = 232; fat mass: N = 229. CKD, chronic kidney disease, MDRD: Modification of Diet in Renal Disease. p-value: * Kruskal–Wallis test for quantitative variables.