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 |