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Table 2 Documented COI values measured with fluorescent immunoassay readers analyzing the antigen test

From: Performance of antigen testing for diagnosis of COVID-19: a direct comparison of a lateral flow device to nucleic acid amplification based tests

COI

Number

Mean

Minimum

Maximum

95%-confidence intervall

Total

2460

0.76

0

58.16

[0.57; 0.94]

NAAT positive

75

19.22

0

58.16

[14.84; 23.62]

NAAT negative

2237

0.17

0

5.80

[0.16; 0.19]

Ag false positive

27

1.67

1.00

5.80

[1.25; 2.09]

Ag false negative

25

0.22

0

0.96

[0.12; 0.32]