Table 2.
Correlation matrix of LnFENO, age, height, weight, LnNF-κB, and Pulmonary function (n = 437).
| LnFENO | Age (years) | Height (cm) | Weight (kg) | LnNF-κB (EBC) | |
|---|---|---|---|---|---|
| Age (years) | 0.033 | 1 | |||
| Height (cm) | 0.098 * | −0.231 ** | 1 | ||
| Weight (kg) | 0.105 * | −0.083 | 0.631 ** | 1 | |
| LnNF-κB (EBC) | 0.188 ** | 0.031 | 0.141 ** | 0.126 ** | 1 |
| FEV1.0% | 0.028 | −0.240 ** | −0.100 * | −0.207 ** | −0.006 |
| FVC (%) | −0.048 | 0.000 | 0.141 ** | 0.117 * | −0.058 |
| MMF (%) | −0.021 | −0.052 | −0.086 | −0.107 * | −0.059 |
| PEFR (%) | 0.098 * | 0.048 | −0.022 | 0.065 | −0.048 |
| FEF25 (%) | 0.056 | −0.005 | 0.021 | 0.082 | −0.048 |
| FEF50 (%) | −0.035 | −0.073 | −0.075 | −0.037 | −0.069 |
| FEF75 (%) | −0.036 | −0.149 ** | 0.014 | −0.138 ** | −0.046 |
| FEV1/FVC | 0.012 | 0.285 ** | −0.215 ** | −0.168 ** | −0.061 |
*
0.01 < p < 0.05;
**
p < 0.01.
NF-κB (EBC) indicates NF-κB in exhaled breath condensate; FEV1, forced expiratory volume at 1 second; FVC, forced vital capacity; MMF, maximum mid-expiratory flow; PEFR, peak expiratory flow rate; FEF25, forced expiratory flow at 25%; FEF50, forced expiratory flow at 50%; FEF75, forced expiratory flow at 75%; FEV1/FVC, the FEV1/FVC ratio.