ABCB7 and COVID-19: Decreased lymphocyte counts (AUC 0.733; 95% CI 0.615–0.852) on admission were also significantly associated with a poor outcome of COVID-19, as were elevations of creatinine (AUC 0.721; 95% CI 0.549–0.893), urea (AUC 0.781; 95% CI 0.596–0.965), troponin T (AUC 0.769; 95% CI 0.645–0.893), NT-proBNP (AUC 0.755; 95% CI 0.623–0.886), LDH (AUC 0.734; 95% CI 0.583–0.885), ASAT (AUC 0.714; 95% CI 0.569–0.860), and neopterin (AUC 0.730; 95% CI 0.585–0.874).