Table 2 M. pneumoniae detection by IgM antibody testing of acute serum, FQ-PCR, culture and IgG titer of paired sera in adults and adolescents with CAP in Beijing
IgG antibody titers of paired sera with a fourfold or greater increase (number (%)) | ||||
|---|---|---|---|---|
Positive | Negative | Total | ||
IgM result | Positive | 2 (1.6) | 5 (4.0) | 7 (5.6) |
Negative | 25 (20.0) | 93 (74.4) | 118 (94.4) | |
FQ-PCR result | Positive | 11 (8.8) | 11 (8.8) | 22 (17.6) |
Negative | 16 (12.8) | 87 (69.6) | 103 (82.4) | |
Culture result | Positive | 15 (12.0) | 5 (4.0) | 20 (16.0) |
Negative | 12 (9.6) | 93 (74.4) | 105 (84.0) | |
Total | 27 (21.6) | 98 (78.4) | 125 | |