Figure 3: Sub-group analysis of presence and duration of preexisting hypertension: Average BP Readings of physicians, nurses, and CVTs compared to control ABPM. This graph shows a comparison between the BP measurements of various health care providers compared to the daytime readings of a 24-hour ambulatory blood pressure monitor in 50 patients split into three sub-groups; normotensives, those with a history of hypertension for less than 1 year, and those with a history of hypertension for more than 1 year. Abbreviations- ABPM: Ambulatory Blood Pressure Monitor, BP: Blood Pressure, CVTs: Technicians, mmHg: Millimeters of Mercury.