Table 1 Number and proportion of non cooperating subjects at the spirometry tests, divided according to age and sex
Females | Males | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|
Age (yrs) | Total | Non cooperating | Total | Non cooperating | Total | Non cooperating | |||
N | % | N | % | N | % | ||||
3 | 20 | 2 | 10.0 | 29 | 6 | 20.7 | 49 | 8 | 16.3* |
4 | 204 | 9 | 4.4 | 230 | 12 | 5.2 | 434 | 21 | 4.8 |
5 | 200 | 6 | 3.0 | 222 | 8 | 3.6 | 422 | 14 | 3.3 |
6 | 20 | 1 | 5.0 | 35 | 1 | 2.8 | 55 | 2 | 3.6 |
Tot | 450 | 18 | 4.0 | 509 | 27 | 5.3 | 960 | 45 | 4.7 |