Table 2.
Correlations coefficients of plasma biomarkers with FEV1% at various time points (N = 64–68/group/time point). The numbers in parenthesis indicate p-values.
| Non-COPD | COPD GOLD 1 and 2 | COPD GOLD 3 and 4 | All Participants | ||
|---|---|---|---|---|---|
| Baseline | eHSP72 | 0.015 (0.144) | 0.081 (0.061) | 0.093 (0.034) | 0.155 (0.023) |
| CAF22 | 0.053 (0.064) | 0.094 (0.054) | 0.126 (0.006) | 0.273 (<0.001) | |
| 12-Month | eHSP72 | 0.024 (0.117) | 0.145 (0.071) | 0.139 (0.053) | 0.094 (0.005) |
| CAF22 | 0.035 (0.061) | 0.106 (0.051) | 0.149 (0.036) | 0.389 (<0.001) | |
| 24-Month | eHSP72 | 0.031 (0.196) | 0.122 (0.041) | 0.081 (0.043) | 0.076 (0.066) |
| CAF22 | 0.089 (0.063) | 0.137 (0.049) | 0.143 (0.035) | 0.283 (0.005) | |