Table 3.
FENO results (ppb) of non-smokers, i e never-smokers and former smokers united (n = 2881), of the ADONIX database subdivided according to age class and sex
| Age class (years) | Women (n = 1449) | Men (n = 1432) | p | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | Median | 5th perc | 95th perc | n | Median | 5th perc | 95th perc | ||
| 25–34 | 103 | 12.9 | 5.9 | 30.3 | 88 | 16.8 | 9.4 | 39.5 | <.0001 |
| 35–44 | 320 | 14.3 | 6.8 | 31.3 | 296 | 17.5 | 7.9 | 38.9 | <.0001 |
| 45–54 | 406 | 15.4 | 7.7 | 33.6 | 417 | 19.1 | 8.8 | 41.7 | <.0001 |
| 55–64 | 411 | 18.1 | 8.3 | 37.9 | 418 | 20.0 | 9.3 | 43.2 | 0.010 |
| >64 | 209 | 19.5 | 8.3 | 42.2 | 213 | 21.1 | 9.2 | 50.6 | 0.028 |
p values refer to differences between median values according to the Mann-Whitney two- sided test
Number of subjects, median values and the 5th and 95th percentiles are presented