Table 3.
Age, forced expiratory volume in 1 second (% Knudson), and body mass index at inclusion of study subjects, and matched controls, 3 months, 1 year, and 2 years post inclusion.
| Controls | Study subjects, mean (SD) | na | Matched control group, mean (SD) | na | P value | Cohen d valueb | |
| Prestudy/inclusion (D0) | |||||||
|
|
Age (years) | 16 (3) | 25 | 15 (3) | 25 | .93 | —c |
|
|
FEV1 (%) | 84 (25) | 25 | 85 (22) | 25 | .85 | — |
|
|
BMId (kg/m2) | 20 (3) | 25 | 19 (3) | 25 | .37 | — |
| Poststudy (D0 plus 3 months) | |||||||
|
|
FEV1 (%) | 83 (23) | 25 | 83 (23) | 25 | .73 | 0 |
|
|
BMI (kg/m2) | 20 (3) | 24 | 19 (3) | 25 | .42 | 0.33 |
| 1-year follow-up (D0 plus 12 months) | |||||||
|
|
FEV1 (%) | 87 (24) | 25 | 86 (23) | 25 | .91 | 0.042 |
|
|
BMI (kg/m2) | 20 (3) | 23 | 20 (2) | 25 | .77 | 0 |
| 2-year follow-up (D0 plus 24 months) | |||||||
|
|
FEV1 (%) | 79 (25) | 21 | 81 (27) | 24 | .38 | 0.08 |
|
|
BMI (kg/m2) | 20 (3) | 21 | 20 (2) | 23 | >.99 | >99 |
aNumber of available measurements.
bStudy subjects versus matched control group.
cNot applicable.
dBMI: body mass index.