TABLE 2.
Comparison of rapid antigen tests and blood agar culturesa
| Investigators (reference) | No. of samples tested | % Positive for GAS | Rapid methodb | Rapid test
|
|
|---|---|---|---|---|---|
| % Sensitivity | % Specificity | ||||
| Gerber et al. (19) | 339 | 32 | LA | 83 | 99 |
| Campos and Charilaou (6) | 415 | 36 | LA | 62 | 100 |
| Schwartz et al. (38) | 425 | 50 | LA | 93 | 90 |
| Roddey et al. (35) | 512 | 39 | LA | 72 | 98 |
| Schwabe et al. (37) | 365 | 27 | ELISA | 90 | 97 |
| Dobkin and Shulman (12) | 221 | 31 | ELISA | 96 | 97 |
| Yu et al. (42) | 648 | 20 | ELISA | 77 | 98 |
| Anhalt et al. (1) | 970 | 22 | ELISA | 74 | 99 |
| Chapin et al. (7) | 520 | 33 | OIA | 86 | 100 |
| Heiter and Bourbeau (26) | 801 | 31 | OIA | 92 | 95 |
| Campos and Mohlac | 411 | 26 | OIA | 84 | 99 |
| Harbeck et al. (22) | 475 | 24 | OIA | 97 | 96 |
| 800 | 12 | OIA | 99 | 98 | |
a
Adapted from reference 17 with permission of the publisher.
b
LA, latex agglutination; ELISA, enzyme-linked immunosorbent assay; OIA, optical immunoassay.
c
J. M. Campos and C. Mohla, Abstr. 98th Annu. Meet. Am. Soc. Microbiol. 1994, abstr. C-41, p. 497, 1994.