Figure 4.
Nonparametric receiver operating characteristics (ROC) for evaluation of equine blood compatibility (146 recipient‐donor pairs) for standard tube macroscopic agglutination vs. (A) gel column agglutination crossmatch techniques (area under ROC curve = 0.903); (B) predicted compatibility based on blood type (area under ROC curve = 0.843); and (C) tube microscopic agglutination crossmatch techniques (area under ROC curve = 0.912).