Table 1 Subject characteristics

From: Estimation of central systolic blood pressure using an oscillometric blood pressure monitor

Characteristics

Generation group (n=50)

Validation group (n=50)

P-value

Male sex, %

78

70

NS

Age, years

62.1±12.6

61.6±13.9

NS

Height, cm

163.9±8.6

162.3±7.7

NS

Left arm circumference, cm

27.7±2.4

28.5±2.7

0.027

Body mass index, kg m–2

25.8±3.0

26.6±3.3

NS

Left ventricular ejection fraction, %

55.4±8.6

55.2±7.6

NS

Smoking, %

26

22

NS

Hypertension, %

54

68

0.043

Type II diabetes mellitus, %

14

20

NS

Coronary artery disease, %

42

56

0.048

Baseline blood pressures, mm Hg

 Brachial SBP

137.4±20.0

133.3±19.9

NS

 Brachial MBP

98.2±13.2

95.4±12.5

NS

 Brachial DBP

73.4±10.6

70.8±10.1

NS

 Brachial PP

63.9±17.2

62.5±17.3

NS

 Aortic SBP

126.2±20.8

123.8±20.5

NS

 Aortic MBP

95.7±13.3

93.3±12.9

NS

 Aortic DBP

72.4±11.8

69.7±10.9

NS

 Aortic PP

53.8±18.1

54.1±17.7

NS

 Cuff SBP

132.8±18.2

128.8±18.0

NS

 Cuff MBP

100.7±14.9

97.4±14.2

NS

 Cuff DBP

77.0±12.1

72.9±10.3

0.011

 Cuff PP

55.9±10.3

55.9±11.7

NS

Baseline heart rate, beats/min

70.4±13.0

67.2±11.1

NS

  1. Abbreviations: DBP, diastolic blood pressure; MBP, mean blood pressure; NS, non-significant; PP, pulse pressure; SBP, systolic blood pressure.