Table 2.
Virus isolation in nasal wash and corresponding symptoms in upper respiratory tract (URT) and lower respiratory tracts (LRT)
| Asthmatic group n = 14 (episodes analyzed) | Control group n = 14 (episodes analyzed) | |
|---|---|---|
| Detected respiratory viruses | 17 (14) | 16 (14) |
| - Rhinoviruses | 8 (6) | 12 (10) |
| - Influenza virus A/B | 5 (5) | 1 (1) |
| - RSV A/B | 1 (1) | 1 (1) |
| - Coronaviruses | 3 (2) | 2 (2) |
| - Parainfluenza viruses; Enteroviruses; Adenoviruses | 0 | 0 |
| Days of viral shedding (median, range) | 6 (1–16) | 4 (1–9) |
| Viral load, copies/ml (median, range) | 20732 (2–62270) | 999 (8–262136) |
| Duration (days) of URT symptoms (range) | 9 (5–19) | 8 (1–17) |
| Severity of URT symptoms (range) | 8 (4–9) | 7 (2–9) |
| Duration (days) of LRT symptoms (range) | 7 (3–17) | 3.5 (0–8)a |
| Severity of LRT symptoms (range) | 5 (0–9) | 0.5 (0–5)b |
a
Asthmatic vs. control; p = 0.03 (Mann–Whitney U-test).
b
Asthmatic vs. contro. p = 0.02 (Mann–Whitney U-test).