Method: A retrospective, cross-sectional, observational study was conducted using 340 complete ABPM records from the database of the Research Group of the Department of Clinical Medicine and Therapeutics “A”. Only patients with complete studies were included. The sample size calculation was based on a 95% confidence level and a margin of error of <5%. Results: Of the participants, 69 % were women, with a mean age of 52 ± 16.5 years; 67 % had a prior diagnosis of hypertension. Hypertensive individuals presented significantly higher blood pressure readings in all measurements, notably nocturnal systolic pressure (118 ± 17.3 mmHg vs. 103 ± 13 mmHg; p<0.001). The “riser” circadian pattern was three times more frequent in hypertensive individuals, while the “dipper” pattern predominated in normotensive individuals (46 %). A systolic load >40 % was observed in 35 % of hypertensive individuals compared to 6% of normotensive individuals (p<0.00001). Pulse pressure was higher in hypertensive individuals (52 ± 10.02 mmHg vs. 46 ± 7.19 mmHg; p<0.0001). Global systolic variability >15 mmHg was present in 51% of hypertensive patients and 33 % of normotensive patients. Conclusion: ABPM reveals significant differences between hypertensive and normotensive patients, reinforcing its routine implementation in the clinical management of arterial hypertension.