[Reference values of ambulatory arterial pressure in activity and during the night. Multicenter study of 394 normotensive subjects at rest].

The blood pressure pattern and variability were assessed in a population of 394 normotensive subjects (OMS) stratified by age (20 to 75 years) and sex. Ambulatory blood pressure measurements were performed with an automatic device (Spacelabs 5200) every 15 min. from 6 a.