Table 2.
A multivariate analysis of the association between measures of body habitus and lung function in adults with cystic fibrosis.
| Number of individuals | FEV1 (ml) | FVC (ml) | |
|---|---|---|---|
| Creatinine (per sex specific sd change) | |||
| Male | 1153 | + 171 (+ 116 to + 227) | + 99 (+ 41 to + 157) |
| Female | 917 (pinteraction = 0.03) |
+ 90 (+ 46 to + 133) | + 64 (+ 19 to + 110) |
| Body mass index (kg/m2) | |||
| Male | |||
| < 20 | 228 | − 642 (− 784 to − 500) | − 663 (− 810 to − 515) |
| 20–24.9 | 670 | 0 | 0 |
| ≥ 25 | 255 | + 364 (+ 227 to + 501) | + 272 (+ 130 to + 415) |
| Female | |||
| < 20 | 275 | − 468 (− 564 to − 372) | − 507 (− 609 to − 405) |
| 20–24.9 | 507 | 0 | 0 |
| ≥ 25 | 135 (pinteraction = 0.09) |
+ 237 (+ 113 to + 360) | + 192 (+ 61 to + 323) |
Mutually adjusted model includes for sex, age (categorical variable), body mass index (categorical variable) and height.
sd = standard deviation.
FEV1 = Forced Expiratory Volume in one second.
FVC = Forced Vital Capacity.