Summary of main findings from viral studies
| Rhinovirus | Influenza virus | Parainfluenza virus | RSV | Adenovirus | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No of exacerbations | Ex* (%) | Stable† (%) | Ex (%) | Stable (%) | Ex (%) | Stable (%) | Ex (%) | Stable (%) | Ex (%) | Stable (%) | |
| *Viral infection determined from seroconversion PCR or viral isolation in the exacerbated state. | |||||||||||
| †Viral infection determined from seroconversion PCR or viral isolation in the stable clinical state. | |||||||||||
| The figures in the table indicate the proportion of patients in the stable and exacerbated state from which each type of virus was detected or seroconversion occurred. | |||||||||||
| Smith104 | 1030 | 4.8 | 0.5 | 4.9 | 0.2 | 2.8 | 0.7 | 0.8 | 0.6 | 0.7 | 0.5 |
| Seemungal106 | 43 | 23.3 | 0 | ||||||||
| Buscho106 | 166 | 2.7 | 0.55 | 10.2 | 6.4 | 6 | 7 | 0 | 0.7 | 1.2 | 0.7 |
| Lamy103 | 49 | 28.6 | 1 | 24.5 | 0.5 | 6 | 1 | 0 | 0.75 | ||
| Greenberg110 | 323 | 4.9 | 2.5 | 6.2 | 2.5 | 0.3 | |||||
| Stenhouse105 | 64 | 9.4 | 1.5 | 0 | 0 | 3.1 | 0 | ||||
| Gump84 | 116 | 12.9 | 0.2 | 7.8 | 0.2 | 4.3 | 0.05 | 2.6 | 0 | ||