APOA1 and alkaline phosphatase measurement: Additionally, in the group of AP patients with this genotype, compared to appropriate group of healthy subjects, lower HDL (p = 0.0217) and apoA-I (p = 0.0026) concentrations were found, and a higher value of the LDL/HDL ratio (p = 0.0180) and MDA concentration (p < 0.0001) were found.