APOB and myeloid sarcoma: Since there are no data available on the comparative diagnostic significance of ApoB/ApoA1 ratio, TG, and HDL-C for MS in Central Asia, we aimed to investigate the relationship between MS and ApoB/poA1 ratio and to evaluate the possibility of using the ApoB/ApoA1ratio as an alternative to TG and HDL-C for the diagnosis of MS in the Kazakh population.