. 2020 Jul 17;39(12):2271–2277. doi: 10.1007/s10096-020-03978-6

Table 1.

Evaluations of a chemiluminescence immunoassay method for diagnosis of SARS-CoV-2 by detections of specific IgM and IgG in the patient’s serum

Participants category /total cases	IgM-positive cases/(%)	IgG-positive cases/(%)	IgM- or IgG-positive cases/(%)	IgM- and IgG-positive cases (%)
False-positive in healthy cohorts and tuberculosis patients/total 80 cases	6/7.5%	2/2.50%	7/8.75%	1/1.25%
SARS-CoV-2 confirmed patients /total 79 cases	48/60.76%	65/82.28%	67/84.81%	46/58.22%

Participants category
/total cases

IgM-positive cases/(%)

IgG-positive
cases/(%)

IgM- or IgG-positive cases/(%)

IgM- and IgG-positive cases (%)

False-positive in healthy cohorts and tuberculosis patients/total 80 cases

6/7.5%

2/2.50%

7/8.75%

1/1.25%

SARS-CoV-2 confirmed patients

/total 79 cases

48/60.76%

65/82.28%

67/84.81%

46/58.22%