Table 2. Percentage of absolute blood pressure differences between the smartwatch and the reference in the resting and ambulatory BP studies.

Subjects	Resting BP study n = 85			Ambulatory BP study n = 35
	SBP (mmHg)	DBP (mmHg)		SBP (mmHg)	DBP (mmHg)
DBP: diastolic blood pressure; SBP: systolic blood pressure.
≤ 5 mmHg	55.69%	67.06%		61.90%	60.00%
≤ 10 mmHg	89.41%	96.08%		89.52%	85.71%
≤ 15 mmHg	99.61%	98.82%		100%	98.10%
> 15 mmHg	0.39%	1.18%		0	1.90%