Table I.

Comparison of Ambulatory Blood Pressure Monitoring Results Between Dipper and Nondipper Hypertensive

	Dippers (n=60)	Nondippers (n=52)	P Value
24‐h ambulatory SBP, mm Hg	137.9±10.0	144.3±11.6	.002
24‐h ambulatory DBP, mm Hg	87.6±10.4	91.3±10.9	.066
24‐h mean BP, mm Hg	104.4±9.4	109±10.0	.013
24‐h mean heart rate, beats per min	73.6±9.7	76.7±10.3	.081
Daytime SBP, mm Hg	142.2±10.1	144.8±11.6	.201
Daytime DBP, mm Hg	90.9±10.8	91.8±11.6	.644
Daytime mean BP, mm Hg	108±9.6	109.5±10.4	.419
Daytime mean heart rate, beats per min	75.9±9.0	75.9±9.2	.970
Nighttime SBP, mm Hg	123.8±12.4	143.6±14.4	<.001
Nighttime DBP, mm Hg	75.7±9.9	89.7±11.1	<.001
Nighttime mean BP, mm Hg	91.7±9.8	107.6±11.0	<.001
Nighttime mean heart rate, beats per min	65.3±10.4	69.8±11.1	.017
The rate of systolic fall in nighttime	13.0±5.6	0.8±6.8	<.001
The rate of diastolic fall in nighttime	16.8±5.7	1.9±6.8	<.001

Abbreviations: BP, blood pressure; DBP, diastolic blood pressure; SBP, systolic blood pressure.