Table 2.
Albuminuria groups at baseline: median, mean and SD of the coefficient of variation of AER across the persistent, intermittent, progressing and regressing groups
| Albuminuria group | Pattern | N | No. of samples mean (SD) | Median coefficient of variation | Mean coefficient of variation |
SD | p-value* | p-value† |
|---|---|---|---|---|---|---|---|---|
| Normoalbuminuria | Total | 289 | 19 (7) | 53.3 | 67.7 | 0.450 | ||
| Persistent | 116 | 18 (7) | 37.7 | 38.2 | 0.121 | |||
| Intermittent | 111 | 20 (8) | 66.0 | 78.8 | 0.474 | <0.001 | ||
| Progressing | 62 | 20 (8) | 94.8 | 100.3 | 0.459 | <0.001 | ||
| Microalbuminuria | Total | 157 | 19 (6) | 76.0 | 81.6 | 0.38 | 0.007 | |
| Persistent | 5 | 15 (2) | 43.0 | 41.3 | 0.103 | |||
| Intermittent | 84 | 21 (8) | 70.6 | 74.8 | 0.279 | 0.064 | ||
| Progressing | 28 | 22 (7) | 86.1 | 98.8 | 0.531 | 0.002 | 0.003 | |
| Regressing | 40 | 22 (8) | 82.3 | 89.1 | 0.399 | 0.008 | 0.033 | |
| Macroalbuminuria | Total | 51 | 15 (8) | 67.0 | 75.4 | 0.439 | 0.41‡ | |
| Persistent | 18 | 13 (4) | 55.2 | 61.8 | 0.264 | |||
| Intermittent | 15 | 17 (10) | 67.0 | 69.2 | 0.218 | 0.071 | ||
| Remission | 18 | 17 (9) | 82.4 | 94.1 | 0.631 | 0.071 |
‡P-values result from multivariate regression between each albuminuria group and the normoalbuminuria group
*P-values result from multivariate regression between each pattern and the persistent pattern of each respective albuminuria group
†P-values result from multivariate regression between each pattern and the intermittent pattern of each respective albuminuria group