MB and Stroke: The candidate characteristics were narrowed down to the following 28 features with nonzero coefficients: age, gender, diastolic blood pressure, anterior or posterior stroke, side of hemisphere, stroke lesion, single or multiple lesions, cholesterol, triglyceride, low-density lipoprotein (LDL), glycosylated hemoglobin (HbA1c), homocysteine (HCY), uric acid (UA), myoglobin (MB), and fibrinogen.