APOB and diabetes mellitus: After full-text screening, data extraction was started for the selected studies which included the author name, year of publication, total sample size, number of participants with and without hypertension, country, study design, fasting state, period of follow-up, (age, number of males, females, smoking status, BMI, apo B, apo A, TC, TG, LDL-C, HDL-C, VLDL-C, and non HDL-C, number of participants developing diabetes mellitus, and CAD were reported for hypertensives and normotensives).