Table 1.
Geometric mean FeNO levels (ppb) in Mylar bags immediately after collection by subjects’ demographic and health characteristics
| n | Geometric mean | (95% confidence interval) | p value | |
|---|---|---|---|---|
| Total |
48 |
33.4 |
(28.4, 39.3) |
|
| Sex | ||||
| Male |
22 |
37.3 |
(28.8, 48.5) |
0.221 |
| Female |
26 |
30.4 |
(24.9, 37.1) |
|
| Age (years) | ||||
| <40 |
20 |
31.9 |
(26.1, 39.0) |
0.585 |
| ≥40 |
28 |
34.6 |
(27.2, 43.9) |
|
| Wheezing | ||||
| Yes |
8 |
57.7 |
(36.2, 91.8) |
0.002 |
| No |
40 |
30.0 |
(25.7, 34.9) |
|
| Allergic rhinitis or pollinosis | ||||
| Yes |
20 |
33.5 |
(26.3, 42.7) |
0.973 |
| No |
28 |
33.3 |
(27.3, 40.6) |
|
| Cigarette Smoking | ||||
| Never |
33 |
33.9 |
(28.1, 41.0) |
0.102 |
| Ever |
9 |
41.7 |
(26.5, 65.6) |
|
| Current | 6 | 22.0 | (18.3, 26.5) | |