Table 2 Comparisons between aortic, brachial, cuff and calibrated pulse volume plethysmography pressure values in the validation group (n=50)
From: Estimation of central systolic blood pressure using an oscillometric blood pressure monitor
Baseline | After NTG | |||
|---|---|---|---|---|
Pressure difference, mm Hg | Mean±s.d. | 95% CI | Mean±s.d. | 95% CI |
Brachial pressure—aortic pressure | ||||
Brachial SBP—aortic SBP | 7.8±5.3*** | −2.6∼18.2 | 11.1±6.9*** | −2.4∼24.6 |
Brachial MBP—aortic MBP | 2.3±3.1*** | −3.8∼8.4 | 2.0±4.5** | −6.8∼10.8 |
Brachial DBP—aortic DBP | 1.4±3.9* | −6.2∼9.0 | 0.7±3.7 | −6.6∼8.0 |
Brachial PP—aortic PP | 6.4±6.1*** | −5.6∼18.4 | 10.4±6.8*** | −2.9∼23.7 |
Brachial SBP2—aortic SBP | 2.5±4.4*** | −6.1∼11.1 | 3.5±5.9*** | −8.1∼15.1 |
Cuff pressure—brachial pressure | ||||
Cuff SBP—brachial SBP | −4.5±7.2*** | −18.6∼9.6 | −4.5±9.7** | −23.5∼14.5 |
Cuff MBP—brachial MBP | 2.7±7.7* | −12.4∼17.8 | 1.2±6.9 | −12.3∼14.7 |
Cuff DBP—brachial DBP | 3.7±6.1*** | −8.3∼15.7 | 0.6±8.1 | −15.3∼16.5 |
Cuff PP—brachial PP | −8.2±7.8*** | −23.5∼7.1 | −5.0±13.3* | −31.1∼21.1 |
Cuff pressure—aortic pressure | ||||
Cuff SBP—aortic SBP | 3.3±8.3** | −13.0∼19.6 | 6.7±10.2*** | −13.3∼26.7 |
Cuff MBP—aortic MBP | 5.0±8.0*** | −10.7∼20.7 | 3.2±8.2** | −12.9∼19.3 |
Cuff DBP—aortic DBP | 5.1±6.7*** | −8.0∼18.2 | 1.3±9.1 | −16.5∼19.1 |
Cuff PP—aortic PP | −1.9±9.3 | −20.1∼16.3 | 5.4±12.7** | −19.5∼30.3 |
PVP pressure—aortic pressure | ||||
PVP SBP2—aortic SBPa | −0.5±8.0 | −16.2∼15.2 | 2.4±11.4 | −19.9∼24.7 |
