CD8A and chronic obstructive pulmonary disease: The univariable analysis showed that BMI, hyperlipidemia, diabetes, chronic obstructive pulmonary disease, hypertension, coronary heart disease, Framingham risk score, CD3+, CD4+, CD8+, TC, TG, and miR-28-5p were significantly associated with post-EVAR death in AAA patients (all P < 0.05).