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Table 2 Ambulatory blood pressure monitoring parameters according to the cognitive function

From: Nocturnal blood pressure rise as a predictor of cognitive impairment among the elderly: a retrospective cohort study

 

All subjects (n = 305)

NCI (n = 175)

CI (n = 130)

p-value

Mean SBP, mmHg

127.4 ± 13.8

126.1 ± 12.5

129.2 ± 15.2

0.055

Mean DBP, mmHg

66 ± 8.5

65.9 ± 8.1

66.1 ± 9.0

0.887

dSBP, mmHg

127.1 ± 14.1

125.9 ± 13.2

128.7 ± 15.1

0.104

dDBP, mmHg

66.1 ± 8.7

66.1 ± 8.3

66.0 ± 9.1

0.908

nSBP, mmHg

126.5 ± 16.7

123.9 ± 15.1

130.0 ± 18.2

0.002*

nDBP, mmHg

64.4 ± 9.9

63.6 ± 9.3

65.5 ± 10.6

0.114

Nocturnal hypertension, n(%)

207 (67.9)

112 (64)

95 (73.1)

0.093

BP category

 Dipper, n(%)

40 (13.1)

24 (13.8)

16 (12.3)

0.719

 Non-dipper, n(%)

126 (41.3)

80 (45.7)

46 (35.4)

0.070

 Rise, n(%)

139 (45.6)

71 (40.6)

68 (52.3)

0.042*

  1. SBP Systolic blood pressure, DBP Diastolic blood pressure, CI Cognitive impairment, NCI Non-cognitive impairment. *, p < 0.05.