The serum levels of antibodies to oxidized low density lipoprotein IgG, anti-beta-2-glycoprotein I IgG, anticardiolipin antibodies and the presence of other types of antiphospholipid antibodies IgG and IgM (antiphosphatidylserine, antiphosphatidylethanolamine, antiphosphatidylinositol in patients with renal disorders predominantly of immunological etiology)