Characteristics of the cold cohort
| Subjects n | 134 |
| Reported colds per subject | |
| 1 | 89 (66.4) |
| 2 | 24 (17.9) |
| 3 | 13 (9.7) |
| 4 | 6 (4.5) |
| 5 | 1 (0.7) |
| 6 | 1 (0.7) |
| PAX cold questionnaire responses# | |
| Colds per year | 2.51±1.55 |
| Severity of previous colds¶ | 3.05±0.76 |
| Frequency of cold-induced asthma symptoms+ | 3.64±1.10 |
| Severity of cold-induced asthma symptoms§ | 3.01±0.87 |
Data are presented as mean±sd or n (%), unless otherwise indicated. PAX: Post-cold Asthma Control and Exacerbation. #: n = 76; ¶: scores can range from 1 (extremely mild) to 6 (extremely severe); +: scores can range from 1 (never) to 5 (always); §: scores can range from 1 (extremely mild) to 6 (extremely severe).