Table 1.
Demographics of the pedigree study and the case-control study.
| Pedigree study | Case-control study | |||
|---|---|---|---|---|
| Patients (N = 30) | Parents (N = 58)a | nVMR cases (N = 103) | Allergic rhinitis controls (N = 110) | |
| Average age (years) | 22.8 | 43 | 48 | 44 |
| Gender (F:M) | 20:10 | 29:29 | 84:19 | 68:42 |
| Caucasian:African-American | 28:2 | 54:4 | 99:4 | 101:9 |
| Irritant index scoreb | 29 | 20.5 | — | — |
nVMR, nonallergic vasomotor rhinitis.
a
One subject was also the parent of a subject.
b
The average irritant index score is based on a scale of 1 to 100; 20 different stimuli were rated from 0 (least) to 5 (most) bothersome, as described in the text.