Descriptive analyses of study cohort
| Age, mean ± S.D. | 52 ± 13 years |
| Sex | 63% male |
| BMI, mean ± S.D. | 29.9 ± 5 kg/m2 |
| Weight, mean ± S.D. | 83.6 ± 19.3 kg |
| Tribal affiliation | |
| Navajo | 58% |
| Hopi | 21% |
| Other | 21% |
| Duration posttransplant, mean ± S.D. | 30 ± 23 months |
| Twice daily dose, mean ± S.D.a | 1.27 ± 0.644 mg (0.016 ± 0.010 mg/kg) |
| Presence of diabetes mellitus before transplant | 67% |
| Presence of acute rejection | 25% |
| Presence of new onset diabetes mellitus | 13% |
↵a Excluding one patient who had been on therapy less than 4 months, such that, per hospital protocol, the target trough level was higher for this patient.