Table 1.
Clinical characteristics of referral subjects
| Clinical observation | Age 0–5 n (%) | Age 5–18 n (%) | Age>18 n (%) |
|---|---|---|---|
| Number of subjects a | 105 | 188 | 151 |
| Male gender | 60 (57%) | 98 (52%) | 48 (32%) |
| Caucasian ethnicity | 84 (80%) | 146(78%) | 127 (84%) |
| Situs status | |||
| Situs solitus | 60 (57%) | 129(69%) | 113 (75%) |
| Situs inversus | 31 (30%) | 45 (24%) | 32 (21%) |
| Situs ambiguous | 14 (13%) | 14(7%) | 6 (4%) |
| Otitis media | 86 (82%) | 165(88%) | 105 (70%) |
| Chronic sinusitis | 48 (46%) | 146(78%) | 119 (79%) |
| Bronchiectasis | 10 (10%) | 70 (37%) | 117 (77%) |
| FEV1 % predicted, mean (±SD)b | - c | 87% (±24%)d | 66% (±24%)e |
a
448 nasal scrapes were performed on a total of 444 subjects
b
FEV1. forced expiratory volume in 1 sec, SD, standard deviation, predicted values based on equations of Hankinson et al
c
FEV1 data is not available for subjects under 5 years of age
d
n = 162
e
n = 139