Table 4.
Multiple linear regression model for exacerbation frequency
|
Multiple linear regression model for exacerbation | ||||
|---|---|---|---|---|
|
frequency by TSH, FEV1 (L and %) and FVC (L and %) | ||||
| Coefficient B value | Standard error | t | P | |
| Constant |
0.611 |
1.51 |
0.403 |
0.689 |
| TSH levels |
0.918 |
0.102 |
9.02 |
<0.0001 |
| FEV1 (L) |
−3.402 |
2.74 |
−1.23 |
0.223 |
| FEV1(%) |
0.099 |
0.076 |
1.303 |
0.201 |
| FVC (L) |
1.39 |
1.59 |
0.874 |
0.388 |
| FVC (%) | −0.061 | 0.056 | −1.089 | 0.283 |
COPD, Chronic obstructive pulmonary disease; FEV1: Forced expiratory volume at 1 second; FVC, Forced vital capacity; TSH, Thyroid stimulating hormone.