ABMR	Acute Antibody-Mediated Rejection
AUC	Area Under the Curve
BMI	Body Mass Index
BSA	Bovine Serum Albumin
CDC-XM	Complement-Dependent Cytotoxicity Crossmatch
CF-XM	Flow Cytometry Crossmatch
CI	Confidence Interval
C4d	C4d deposition in peritubular capillaries
Cg	Chronic Glomerulopathy
Ci	Interstitial Fibrosis
Ct	Tubular Atrophy
Cv	Vascular fibrous intimal thickening
DNDSA	De Novo Donor-Specific Antibodies
DSA	Donor-Specific Antibodies
ECM	Extracellular Matrix
EDTA	Ethylenediaminetetraacetic Acid
EGFR	Estimated Glomerular Filtration Rate
ELISA	Enzyme-Linked Immunosorbent Assay
EMT	Epithelial–Mesenchymal Transition
G	Glomerulitis
HLA	Human Leukocyte Antigen
HRP	Horseradish Peroxidase
I	Interstitial inflammation
i-IFTA	Inflammation in areas of interstitial fibrosis and tubular atrophy
IL-1β	Interleukin-1 Beta
IQR	Interquartile Range
MFI	Mean Fluorescence Intensity
MGN	Membranous Glomerulonephritis
MMP	Matrix Metalloproteinase
MM	Mesangial Matrix Expansion
NR	No-Rejection
OR	Odds Ratio
PBS	Phosphate-Buffered Saline
PPV	Positive Predictive Value
PRA-SA	Panel Reactive Antibody by Solid Assay
PTC	Peritubular Capillaritis
Rho	Spearman’s Rho
ROC	Receiver Operating Characteristic
SPSS	Statistical Package for the Social Sciences
T	Tubulitis
TGF-β	Transforming Growth Factor Beta
TIMP	Tissue Inhibitor of Metalloproteinases
TMB	Tetramethylbenzidine
TNF-α	Tumor Necrosis Factor Alpha
V	Intimal arteritis