Table 2.
Group A streptococcus (GAS) test results of 48 children with pharyngitis with and without confirmed viral infection
| Confirmed viral infection (n = 30)a, GAS detected | No confirmed viral infection (n = 18)a, GAS detected | ||||
|---|---|---|---|---|---|
| GAS diagnostic method | n | % (95% CI) | n | % (95% CI) | Pb |
| Throat culture | 5 | 17 (6–27) | 6 | 33 (20–47) | 0.288 |
| StrepTop | 4 | 13 (4–23) | 6 | 28 (15–40) | 0.265 |
| mariPOC | 13 | 43 (29–57) | 10 | 56 (41–70) | 0.412 |
| Simplexa | 6 | 20 (9–31) | 9 | 50 (36–64) | 0.030 |
| Illumigene | 5 | 17 (6–27) | 6 | 33 (20–47) | 0.288 |
CI confidence interval
aConfirmed viral infection: virus detected and blood myxovirus resistance protein A concentration ≥ 175 µg/L
bχ2 or Fisher’s exact test