Table 3.
Blood pressure values measured by different devices.
| BPa | Mean (SD) | Range | MDb (SD) | MADc (SD) | MAPDd (SD) | Limits of agreement, MD (2SDs) | P value | ||
| Device worn for 24 hours | |||||||||
|
|
Systolic BP |
|
|
0.08 (10.56) | 7.63 (7.09) | 6.01 (5.42) | 0.08 (20.69) | >.05e | |
|
|
|
Wearable | 125 (5) | 119-138 |
|
||||
|
|
|
Ambulatory | 126 (10) | 111-150 |
|
||||
|
|
Diastolic BP |
|
|
2.46 (7.67) | 5.90 (5.34) | 7.48 (6.45) | 2.46 (15.03) | >.05e | |
|
|
|
Wearable | 77 (9) | 72-87 |
|
||||
|
|
|
Ambulatory | 75 (6) | 64-90 |
|
||||
| 7 days | |||||||||
|
|
Systolic BP |
|
|
13.19 (8.31) | 13.19 (8.31) | 10.56 (6.64) | — | <.01f | |
|
|
|
Wearable | 125 (4) | 113-139 |
|
||||
|
|
|
Home | 112 (10) | 85-135 |
|
||||
|
|
Diastolic BP |
|
|
5.86 (7.62) | 7.28 (6.21) | 9.37 (8.04) | — | <.01f | |
|
|
|
Wearable | 77 (3) | 68-87 |
|
||||
|
|
|
Home | 71 (8) | 50-90 |
|
||||
aBP: blood pressure.
bMD: mean difference.
cMAD: mean absolute difference.
dMAPD: mean absolute percentage difference.
eP for mean difference between ambulatory and wearable (24 hours) devices.
fP for mean difference between home (7 days) and wearable (7 days) devices.