Table 2. Correlation between the total score and the Cystic Fibrosis Questionnaire domains and the functional, nutritional and clinical variables.
| CFQ domains | Medium values | 6MWT (%) | HGS (%) | H/A | BMI/A | FEV1 (%) | FVC (%) | FEV1/FVC (%) |
|---|---|---|---|---|---|---|---|---|
| Physical | 74.4±19.8 | 0.14 | 0.20 | 0.04 | 0.02 | 0.13 | 0.08 | 0.30 |
| Social role | 85.2±21.9 | 0.15 | 0.32 | -0.53 | -0.004 | 0.36 | 0.27 | 0.48 |
| Vitality | 77.5±13.3 | 0.04 | 0.12 | -0.31 | -0.50 | 0.06 | -0.02 | 0.23 |
| Emotional | 75.3±17.9 | 0.003 | 0.15 | -0.07 | -0.31 | -0.22 | -0.20 | -0.05 |
| Social | 72.4±17.5 | -0.08 | 0.15 | -0.15 | -0.09 | -0.24 | -0.30 | 0.04 |
| Body | 69.4±30.1 | 0.12 | 0.13 | -0.18 | 0.005 | -0.16 | -0.11 | -0.04 |
| Food | 82.2±23.5 | 0.13 | 0.06 | 0.04 | 0.02 | -0.04 | -0.16 | 0.20 |
| Treatment | 75.6±18.9 | 0.39 | 0.19 | -0.11 | 0.16 | 0.33 | 0.22 | 0.24 |
| Health | 75.5±21.5 | 0.32 | 0.19 | -0.41 | -0.06 | 0.33 | 0.17 | 0.50 |
| Weight | 66.7±30.6 | 0.21 | -0.03 | -0.39 | 0.49 | 0.02 | -0.11 | 0.09 |
| Respiratory | 73.8±15.8 | -0.06 | 0.30 | 0.07 | -0.14 | 0.16 | 0.04 | 0.44 |
| Digestion | 87.2±24.5 | -0.06 | 0.10 | 0.13 | 0.00 | 0.16 | 0.08 | 0.34 |
| Total | 75.7±11.4 | 0.19 | 0.29 | -0.57 | -0.02 | 0.05 | -0.41 | 0.33 |
CFQ: Cystic Fibrosis Questionnaire; 6MWT: 6-minute walk test; HGS: Hand Grip Strength; H/A: height percentile for age; BMI/A: BMI percentile for age; FEV1: percentage of forced expiratory volume in the first second; FVC: forced vital capacity. The values in bold represent statistically significant correlations, with p≤0.05.