Table 2. Mean blood pressure (BP) values obtained with two devices: reference auscultatory device always in correct position and test device (either auscultatory or oscillometric) in varying positions.
|
Systolic BP |
Diastolic BP |
|||
|---|---|---|---|---|
| Position of test device cuff | Reference | Test | Reference | Test |
| Test device: auscultatory, appropriately sized cuff (Main Study; n=57) | ||||
| Correct | 115.9±18.3 | 116.3±18.5 | 75.8±11.3 | 76.1±11.6 |
| 90° Medially | 114.1±18.4 | 114.9±18.8 | 75.6±11.1 | 75.8±11.6 |
| 90° Laterally | 114.9±17.9 | 114.6±17.1 | 75.5±11.3 | 75.8±10.9 |
| 180° | 115.1±18.9 | 116.0±19.9 | 75.9±11.2 | 76.4±11.3 |
| Test device: auscultatory, undersized cuff (Undercuffing Study; n=33) | ||||
| Correct | 124.6±15.0 | 124.1±15.1 | 85.2±10.4 | 85.0±9.7 |
| 90° Medially | 123.9±15.0 | 125.2±15.7 | 84.4±10.5 | 86.3±11.5 |
| 90° Laterally | 124.5±15.6 | 129.5±15.4a | 85.1±10.4 | 89.1±11.6a |
| 180° | 124.4±15.2 | 128.3±15.9a | 84.9±10.6 | 89.1±11.6a |
| Test device: oscillometric, IntelliWrap cuff (Main Study; n=57) | ||||
| Correct | 113.8±17.9 | 115.2±18.0 | 76.3±11.2 | 76.5±10.8 |
| 90° Laterally | 113.8±18.2 | 114.9±17.1 | 76.3±11.7 | 76.1±11.8 |
| 180° | 113.7±17.7 | 115.1±17.6 | 76.3±11.4 | 76.2±11.9 |
a
P<0.001 for difference between the reference and test device.