Table 1.
Variable | Number studied | Mean kidney volume (mL) ± SD |
P value | |
---|---|---|---|---|
With variable | Without variable | |||
Proteinuria | 270 | 1190 ± 93 | 578 ± 32 | <.0001 |
Microalbuminuria | 49 | 853 ± 87 | 535 ± 52 | <.01 |
Hypertension | 241 | 628 ± 48 | 352 ± 33 | <.0001 |
Gross hematuria | 191 | 820 ± 87 | 588 ± 52 | <.03 |
Progressive loss of kidney function | 220 | 598 ± 368 | 366 ± 168 | <.0001 |
Table adapted from Grantham et al.25