From: The usefulness of MMP-9, TIMP-1 and MMP-9/TIMP-1 ratio for diagnosis and assessment of COPD severity
 | B | OR | 95% CI for OR | p | |
---|---|---|---|---|---|
Lower | Upper | ||||
Exacerbations ≥ 2 | − 0.5 | 0.607 | 0.212 | 1.739 | 0.353 |
MMP-9/TIMP-1 | 0.375 | 1.456 | 1.086 | 1.951 | 0.012 |
Sex | 0.139 | 1.150 | 0.415 | 3.183 | 0.788 |
Age (years) | 0.018 | 1.018 | 0.958 | 1.081 | 0.566 |
Constant | − 1.732 | 0.177 |  |  | 0.46 |