Table 3.
Comparisons of WatchBP with non-invasive comparators for cSBP (Study 2).
| Method | n | Comparisons | Group | WatchBP | Reference | Difference | 95% CI | Corrected bias |
|---|---|---|---|---|---|---|---|---|
| PCMRI | 27 | 57 | Group 2 | 114.3 ± 8.7 | 102.5 ± 11.8* | 11.8 ± 7.9 | 9.7–13.9 | 23.4 |
| XCEL | 10 | 19 | Group 1 | 105.9 ± 11.5 | 91.4 ± 12.0* | 14.5 ± 8.2 | 10.6–18.5 | 22.4 |
| XCEL | 29 | 59 | Group 2 | 117.2 ± 9.4 | 103.7 ± 9.1* | 13.5 ± 8.9 | 11.2–15.8 | 21.4 |
| XCEL | 39 | 78 | Group 1 and 2 | 114.5 ± 11.0 | 100.7 ± 11.1* | 13.8 ± 8.7 | 11.8–15.7 | 21.7 |
Data presented as mean ± standard deviation. Pressures are in mmHg. Comparisons refer to the number of individual recordings. Corrected bias refers to the mean difference corrected for known or estimated biases in the respective non-invasive comparators.
*p < 0.001 comparing WatchBP vs the reference method.