Table 2. Demographic characteristics of patients.
| Parameters | Rejection patients (n=16) | Nonrejectors (n=48) | Pa |
|---|---|---|---|
| Age (yr: mean±SD) | 48.7± 12.2 | 49.5±13.9 | 0.84 |
| Gender (male/female) | 14/2 | 32/16 | 0.20 |
| Race | 0.74b | ||
| Asian | 19% | 5% | |
| Black | 25% | 20% | |
| White | 44% | 54% | |
| Other | 12% | 21% | |
| Regraft | 0.74 | ||
| First allograft | 81% | 76% | |
| Regraft | 19% | 24% | |
| Multiorgan transplants | 0.16 | ||
| + Pancreas | 11% | 2% | |
| + Liver | 0% | 2% | |
| HLA mismatch (mean±SD) | 2.7±0.7 | 2.2± 1.3 | 0.15 |
| Type of donor | 0.21 | ||
| Deceased | 56% | 74% | |
| Living | 44% | 26% | |
| Induction | 0.74c | ||
| Anti-IL2Rα | 74% | 72% | |
| ATG | 22% | 21% | |
| Combined | 4% | 7% | |
| Time of blood draw relative to biopsy (days: median/range) | 0.37 | ||
| Rejection sample | −1/−16 to 8 | ||
| Postrejection sample | 28/14 to 147 | ||
| Nonrejection sample | 1/−35 to 44 |
a
P values for categorical variables from Fisher exact test, and P values for continuous variables from t test.
b
Race (black vs. other).
c
Induction (ATG vs. any anti-IL2Rα).
ATG, antithymoglobulin; IL2Rα, interleukin-2 receptor alpha chain; SD, standard deviation; HLA, human leukocyte antigen.