From: The burden of allergic rhinitis (AR) in Canada: perspectives of physicians and patients
Patient population description | Number of patients |
---|---|
Initial contacts | 30,987 |
Respondents to initial telephone contact | 5,348 |
Cooperative adult respondents | 3,671 |
Cooperative adult respondents who had experienced nasal allergy symptoms | 1,610 |
Respondents who had used prescription or OTC medication to treat their nasal allergy symptoms | 1,001 |