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Demographic characteristics of the sample
| Variable | |
|---|---|
| Sex, n (%) | |
| men | 103 (47) |
| women | 114 (53) |
| Race, n (%) | |
| white | 128 (59) |
| black | 79 (36) |
| other | 3 (1) |
| unknown | 7 (3) |
| Age at biopsy, mean (SD) | 50.5 (20.2) |
| Age at ESRD, mean (SD) | 51.7 (19.5) |
| Years between biopsy and ESRD, mean (SD) | 1.8 (3.1) |
