Table 2.
Demographics and clinical features of the Trifecta Study (n=300) biopsy cohort
| Biopsy Characteristics | |
|---|---|
| Days to biopsy post-transplant | |
| Mean | 1403 |
| Median (range) | 455 (5–11504) |
| Days to most recent follow-up after biopsy | |
| Mean | 177 |
| Median (range) | 169 (1–526) |
| Indication for biopsy (% of total) | |
| For cause | 278 (94%) |
| Surveillance | 18 (6%) |
| Missing | 4 (1%) |
| Patient demographics (n=300) | |
| Mean patient age (range) | 51 (19–80) |
| Age > 65 years (count) | 29 |
| Mean donor age (range) | 47 (6–81) |
| Patient sex | |
| Male (% of known) | 187 (63%) |
| Female (% of known) | 111 (37%) |
| Not available | 2 (1%) |
| Donor sex | |
| Male (% of known) | 150 (52%) |
| Female (% of known) | 137 (48%) |
| Not available | 13 (4%) |
| Patient ethnicity | |
| Black | 11 |
| Other | 288 |
| Not availablea | 1 |
| Donor type (% deceased donor transplants) | 224 (90%) |
| Status at last follow-up | |
| Functioning graft | 247 (90%) |
| Graft failure/return to dialysis | 23 (8%) |
| Patient death with functioning graft | 3 (1%) |
| Primary disease | |
| Diabetic nephropathy | 34 |
| Hypertension/ large vessel disease | 9 |
| Glomerulonephritis/ vasculitis | 107 |
| Interstitial nephritis/ pyelonephritis | 2 |
| Polycystic kidney disease | 0 |
| Others | 99 |
| Unknown etiology | 38 |
a
Some centers preferred not to identify ethnicity.