Persistence and Progression of Masked Hypertension: A 5-Year Prospective Study

Table 2

Clinical characteristics at baseline according to hypertension category.

	Normotension	White coat hypertension	Masked hypertension	Sustained hypertension
Men (𝑁=711)	𝑁=386	𝑁=26	𝑁=126	𝑁=173
Manually operated blood pressure (mmHg)
Systolic	123.0±8	141.8±5	130.1±6	142.9±12
Diastolic	75.5±6	86.2±7	82.5±5	89.5±9
Pulse pressure	47.5±7	55.7±8	47.7±6	53.4±9
Ambulatory blood pressure (mmHg)
Systolic	123.3±6	129.4±4	134.6±6	139.8±11
Diastolic	77.9±4	80.0±3	87.8±4	89.6±8
Pulse pressure	45.4±5	49.4±4	46.8±6	50.2±7
Women (𝑁=958)	𝑁=722	𝑁=12	𝑁=106	𝑁=118
Manually operated blood pressure (mmHg)
Systolic	116.7±9	138.9±8	127.4±7	143.4±14
Diastolic	73.0±7	88.7±5	82.1±5	92.8±10
Pulse pressure	43.7±6	50.2±12	45.3±7	50.6±12
Ambulatory blood pressure (mmHg)
Systolic	118.1±7	126.5±6	132.8±7	140.6±13
Diastolic	75.7±5	80.1±3	87.4±4	91.5±10
Pulse pressure	42.3±5	46.4±6	45.3±7	49.1±9

One hundred and twenty-three (53%) of masked hypertensives were diagnosed from diastolic BP only. Twenty eight (12%) of masked hypertensives were diagnosed from systolic BP only. Eighty-one (35%) of masked hypertensives were diagnosed from both BP types.