Table 3.
Case crossover analysis of asymptomatic viral detection compared to the first subsequent illness in the same subject.
| Virus | Virus-specific prevalence at asymptomatic enrollment, n = 25 n (%) |
Virus-specific prevalence at first study illness, n = 25 n (%) |
p valuea |
|---|---|---|---|
| RhV | 5 (20) | 11 (44) | 0.06 |
| AdV | 5 (20) | 6 (24) | 0.71 |
| CoV | 1 (4) | 3 (12) | 0.32 |
| PIV (types 1–4) | 1 (4) | 5 (20) | 0.046 |
| RSV | 0 (0) | 4 (16) | 0.046 |
| Flu A | 1 (4) | 0 (0) | 0.32 |
| HMPV | 0 (0) | 0 (0) | n.s. |
| Any positive | 11 (44) | 19 (76) | 0.02 |
RhV, rhinovirus; AdV, adenovirus; CoV, human coronavirus; PIV, parainfluenza viruses; RSV, respiratory syncytial virus; flu A, influenza virus A; HMPV, human metapneumovirus.
a
p value is for matched comparisons of prevalence using McNemar's test.