Outcome investigated | na | Regression model mentioned in the paper | n (%)b |
---|---|---|---|
All repeated measurements of renal function | 48 | Â | Â |
 Repeated measurements of | 36 | Linear mixed model | 22 (61.1) |
  - GFR (n = 33) |  | Linear mixed model accounting for informative | 8 (22.2) |
  - Creatinine clearance (n = 2) |  | drop-out |  |
  - Proteinuria (n = 1) |  | Linear GEE | 4 (11.1) |
 |  | Linear GEE accounting for informative drop-out | 1 (2.8) |
 |  | Latent class growth analysis | 1 (2.8) |
 Repeated measurements of | 10 | Linear mixed model | 7 (70.0) |
  - log GFR (n = 5) |  | Linear GEE | 2 (20.0) |
  - log creatinine (serum or clearance) (n = 2) |  | Latent class growth analysis | 1 (10.0) |
  - log proteinuria (n = 3) | |||
 Absolute GFR change between each visit and baseline | 1 | Linear mixed model | 1 (100.0) |
 Relative GFR change each year | 1 | Linear GEE | 1 (100.0) |
A summary statistic for the change of renal function | 45 | Â | Â |
 Individual slopec of | 36 | Linear model | 36 (100.0) |
  - GFR (n = 30) | |||
  - Creatinine (serum or clearance) (n = 4) | |||
  - UACR (n = 2) | |||
 Absolute GFR change as compared to baseline | 7 | Linear model | 7 (100.0) |
 Relative GFR change as compared to baseline | 1 | Linear model | 1 (100.0) |
 Log of absolute proteinuria change as compared to baseline | 1 | Linear model | 1 (100.0) |