Table 2 Linear regression results for FEV1/FVC ratio in the training set
Univariable | Multivariable | |||
|---|---|---|---|---|
Beta coefficients (95% CI) | P value | Beta coefficients (95% CI) | P value | |
Age | − 0.146 (− 0.176, − 0.118) | < 0.001 | − 0.153 (− 0.183, − 0.122) | < 0.001 |
Sex | − 3.863 (− 4.510, − 3.147) | < 0.001 | − 1.904 (− 2.749, − 1.056) | < 0.001 |
Overweight | 1.258 (0.534, 1.982) | < 0.001 | 0.894 (0.191, 1.598) | 0.013 |
Dyspnea | − 2.577 (− 3.772, − 1.370) | < 0.001 | − 2.453 (− 3.612, − 1.291) | < 0.001 |
Cough | 1.420 (0.197, 2.644) | 0.023 | 0.400 (− 0.777, 1.576) | 0.505 |
Sputum | − 0.555 (− 2.976, 1.859) | 0.652 | ||
Current or past smoking | − 4.075 (− 4.828, − 3.381) | < 0.001 | − 3.324 (− 4.200, − 2.453) | < 0.001 |
Hypertension | − 0.877 (− 1.619, − 0.131) | 0.021 | − 0.155 (− 0.916, 0.606) | 0.690 |
Coronary vascular disease | − 1.732 (− 3.194, − 0.264) | 0.021 | 0.024 (− 1.415, 1.461) | 0.974 |
Congestive heart failure | − 3.507 (− 5.809, − 1.094) | 0.004 | ||
Stroke | − 0.234 (− 1.924, 1.455) | 0.786 | ||
Diabetes | − 0.057 (− 0.960, 0.848) | 0.903 | ||
Anemia | 0.579 (− 1.565, 2.722) | 0.594 | ||
Acid reflux | 0.524 (− 0.753, 1.800) | 0.124 | ||
One or more salbutamol prescription | − 1.995 (− 4.017, 0.023) | 0.053 | ||
One or more antibiotics prescription | − 1.523 (− 3.540, 0.504) | 0.141 | ||