Antibody levels were measured by ELISA. Absorbance values at a dilution of 1:100 are compared between control and patient group using multivariate analysis by taking age, gender, body mass index (BMI), current smoking, hypertension and diabetes as covariates.

P value <0.05 was considered as significant. *P<0.05.

ACS, acute coronary syndrome; ApoB, apolipoprotein B; HSP, heat shock protein; SA, stable angina.