Objective:

To analyze the correlation and variations in the levels of the basal metabolic rate (BMR) with systolic and diastolic blood pressure in normotensive and hypertensive adults in the Peruvian population.

Methodology:

An observational, analytical, retrospective, and cross-sectional study was carried out based on data from the national demographic and health survey-2022 (ENDES), which consisted of 18,032 women and 13,646 men over 18 years of age. The variables were: sex, BMR, systolic and diastolic blood pressure. The chi-square test, Student's t test, crude Odds ratio and adjusted by binary logistic regression and Spearman correlation were applied.

Results:

Women with high systolic pressure had a TMB rate of 1130 while in normotensive women it was 1246. Women with low TMB had hypertension more frequently than women with normal TMB. In men, hypertension occurred more frequently in the normal TMB group. In hypertensive adults, systolic pressure and BMR were low and negatively correlated, being more negative in women, while diastolic pressure was low and positively correlated in both men and women, being higher in women. In normotensive individuals, the correlation between systolic pressure and BMR was very low and positive in women, while in men it was low and positive while the correlation between diastolic pressure and BMR was low and positive in men and women.

Conclusions:

Low BMR is associated with hypertension in women, while in men hypertension is associated with a normal BMR. Likewise, BMR is negatively correlated with blood pressure in hypertensives and positively in normotensives in the Peruvian population.

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