F2 and cholesteryl ester measurement: (1) Patients with CE displayed significant abnormalities in blood and biochemical indicators compared to healthy subjects, including increased levels of platelet count, eosinophil percentage, basophil percentage, prothrombin time, fibrinogen, activated partial thromboplastin time, total bilirubin, direct bilirubin, γ-glutamyltransferase, aspartate aminotransferase, and alkaline phosphatase.