BCHE and cancer: Thirteen variables were selected by the LASSO regression algorithm, including CHA2DS2-VASc, stroke, cancer, red cell volume distribution width-coefficient of variation (RDW-CV), statin medication use, lymphocyte ratio, neutrophil-to-lymphocyte ratio, basophilic granulocyte number, urine ketone body (KET), blood glucose (GLU), blood urea nitrogen (BUN), cholinesterase (CHE), and monoamine oxidase (MAO).