claim: side by side comparison of three fully automated sars-cov-2 antibody assays with a focus on specificity
evidence_1: therefore, we compared three commercial, ce-marked, sars-cov-2 antibody assays side by side.", "although the three methods were in good agreement (cohen's kappa 0.71-0.87), mcnemar tests revealed significant differences between results obtained from roche and diasorin.")