The vertical axis displays sensitivity from zero to one. The horizontal axis displays specificity from zero to one. The results for AlloSure Heart, AlloMap Heart, and combined rise respectively from left to right. AUC represents ninety-five percent CI. GEP represents sixty-seven-point-seven percent. dd-cfDNA represents seventy-six-point-seven percent. Combined represents eighty-point-nine percent. The combination of AlloMap Heart and AlloSure Heart has a greater AUC than either test on its own.