- Patients who show a systolic blood pressure (blood pressure) > 135 mm Hg or a diastolic blood pressure > 85 mm Hg, which is measured (in a sitting position) on an outpatient basis at the time of start of the observation period, and show the mean (blood pressure level measured at home after getting up before the start of study) of systolic blood pressure > 130 mm Hg or diastolic blood pressure > 80 mm Hg measured at home after getting up for last 5 days during the last 2-week observation period.