Research Article

Impact of Matrix Metalloproteinase 9 on COPD Development in Polish Patients: Genetic Polymorphism, Protein Level, and Their Relationship with Lung Function

Table 6

Logistic regression analysis for prediction of COPD.

PredictorUnivariableMultivariable
POR95% CIPOR95% CI

Gender<0.00018.165.73-11.610.721.220.06-26.24
Smoking status<0.0001606.0483.96-4374.761.0--
MMP-9 level<0.00011.101.06-1.140.0011.121.03-1.23
MMP-9/TIMP1 level0.061.001.00-1.00
MMP-9/TIMP2 level0.931.000.90-1.12
SNP rs39182420.340.160.85-1.59
CNV0.580.810.38-1.72

N, number of individuals; COPD, chronic obstructive pulmonary disease groups; CTR, control group; MMP-9, metalloproteinase 9; MMP-9/TIMP1, complex of metalloproteinase 9 and tissue inhibitor of metalloproteinase 1; MMP-9/TIMP2, complex of metalloproteinase 9 and tissue inhibitor of metalloproteinase 2; CNV, copy number variation.