Table 1.

Baseline characteristics of patients

CharacteristicClinical Cohort (n=192)P Value
No Rejection (n=133)Any-Cause Rejection (n=59)
Age, yr51.6±15.151.0±16.20.80a
Female, %32.345.8
Race, %
 White83.688.00.47b
 Black16.422.00.47b
SCr at biopsy, mg/dl1.8 (1.5–2.6)2.2 (1.7–2.8)0.39a
eGFR ml/min per 1.73 m237.9 (25.6–50.9)32.9 (22.1–44.6)0.02a
Previous rejection, %15.242.48.23×10−07b
Deceased donor, %43.051.90.65b
Time to biopsy, d215 (46–1751)1250 (295–3063)0.02a
Thymoglobulin, %60.569.40.36b
UPCR0 (0–0.28)0 (0–1.51)0.27a
DSA, %18.544.20.002a
PRA, %2.0 (2.0–41.25)25.0 (2.0–61.25)0.02a
  • Data presented as frequencies, mean±SD, and median (interquartile range). All demographic and clinical data are based on the day of biopsy, timed with the urine collection. SCr, serum creatinine; UPCR, urinary protein-creatinine ratio; PRA, panel-reactive antibody.

  • a P values from t test.

  • b P values from chi-squared test.