Entire spectrum (n = 6302) | Mild COPD (n = 567) | Moderate−severe COPD (n = 2826) | ||||
---|---|---|---|---|---|---|
Adjusted R2 = 0.60 | Adjusted R2 = 0.20 | Adjusted R2 = 0.48 | ||||
β | P-value | β | P-value | β | P-value | |
Age | 2.73 | < 0.001 | 3.33 | < 0.001 | 2.13 | < 0.001 |
Sex | − 1.24 | < 0.001 | − 1.12 | 0.03 | − 0.96 | < 0.001 |
Height | 0.63 | < 0.001 | 1.21 | 0.03 | 0.70 | 0.01 |
Weight | − 1.53 | < 0.001 | − 1.68 | < 0.001 | − 1.93 | < 0.001 |
Pack-years | 0.61 | < 0.001 | 0.30 | 0.40 | 0.56 | 0.002 |
PC1 | − 7.14 | < 0.001 | − 2.35 | < 0.001 | − 2.54 | < 0.001 |
PC2 | − 5.10 | < 0.001 | − 2.63 | < 0.001 | − 6.79 | < 0.001 |
PC3 | 1.11 | < 0.001 | 0.88 | 0.03 | 2.68 | < 0.001 |
PC4 | − 0.66 | < 0.001 | − 0.52 | 0.17 | 0.69 | 0.01 |