Which blood pressure reading is considered to be indicative of prehypertension according to the JNC-7 criteria?

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In adults,a normal blood pressure is <120 mm Hg systolic and <80 mm Hg diastolic pressure.Stage 1 hypertension begins with a systolic pressure of 140 mm Hg or a diastolic pressure of 90 mm Hg.Between these values,the individual is said to have prehypertension,and interventions related to lifestyle changes should be initiated for primary hypertension.118/78 is considered normal.An individual with a reading of 140/88 or 138/94 may be considered to have stage 1 hypertension.

Which Blood Pressure Reading Is Considered to Be Indicative of Prehypertension