Serum matrix metalloproteinase-9 concentration in angiographically assessed coronary artery disease

80 patients undergoing coronary angiography, including 61 patients (47 males, 14 females) with >50% obstruction in one or more coronary arteries before bypass surgery, and 19 control patients (9 males, 10 females) with no pathological findings.

Serum MMP-9 concentrationsurrogate