Diagnostic accuracy of three commercially available one step RT-PCR assays for the detection of SARS-CoV-2 in resource limited settings
Table 5
a. Possible frequencies combination of dichotomized test results of the three assays among three populations in Addis Ababa, Ethiopia, 2021.
b. Measure of Cohen’s kappa coefficient (κ) Value among the three tests kits, Addis Ababa, Ethiopia, 2021.