Regression coefficients and SE for the multiple regression analyses
| Model | β | SE (β) | F | p value |
|---|---|---|---|---|
| Abbreviations as for table 1. | ||||
| FEV1 × LBM SDS | 4.69 | 1.51 | 9.66 | <0.01 |
| FEV1 × FBM SDS | 2.32 | 2.89 | 0.64 | NS |
| CVF × LBM SDS, | 4.86 | 1.37 | 12.59 | <0.01 |
| CVF × FBM SDS | −0.23 | 2.63 | 0.01 | NS |
| Shwachman score × LBM SDS | 3.40 | 1.19 | 8.16 | 0.01 |
| Shwachman score × FBM SDS | 2.28 | 2.28 | 1 | NS |
| No. of antibiotic courses × LBM SDS | 3.25 | 1.39 | 5.47 | <0.05 |
| No. of antibiotic courses × FBM SDS | 0.74 | 2.75 | 0.07 | NS |
| IGF-I SDS × LBM SDS | 0.375 | 0.1 | 13.9 | <0.01 |
| IGF-I SDS × LBM SDS | 0.36 | 0.15 | 5.26 | <0.05 |
| IGF-I SDS × FBM SDS | 0.30 | 0.23 | 1.64 | NS |
| IGF-I SDS × %IWA | 0 | 0 | 1 | NS |
| IGF-I SDS × LBM SDS | 0.35 | 0.14 | 6.42 | <0.025 |
| IGF-I SDS × FEV1 | 0 | 0.03 | 0 | NS |
| IGF-I SDS × FVC | −0.01 | 0.03 | 0.24 | NS |
| IGF-I SDS × Shwachman score | −0.04 | 0.04 | 0.86 | NS |
| IGF-I SDS × no. antibiotic courses | 0.08 | 0.03 | 4 | NS |