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. 2020 Oct 30;133:104681. doi: 10.1016/j.jcv.2020.104681

Table 2.

Positive and negative percent agreement for Anti-CoV2.

Frequency
(n/N)		 Agreement (95 % CI)
PPAa 30/30 100 % (88.4–100 %)
NPAb 75/75 100 % (95.2–100 %)

CI, confidence interval; NPA, negative percent agreement; PPA, positive percent agreement.

a

PPA = true positive/(true positive + false negative).

b

NPA = true negative/(true negative + false positive).