Table 4 Evaluation of the Delta between the reference device and the BB-613WP device measurements. N—Number of participants. SD—Standard Deviation.

From: Comparing blood pressure measurements between a photoplethysmography-based and a standard cuff-based manometry device

 

First measurement (n = 1057)

Second measurement (n = 491)

Systolic

Diastolic

Systolic

Diastolic

Mean

− 0.08

− 0.01

0.26

− 1.14

SD

3.6

3.5

4

4.4

P for delta = 0

.49

.98

.17

 < .001