Table 2.

Biases between BioHarness and reference heart rate (Phase One: participants in sinus rhythm; Phase Two participants with atrial fibrillation)^a.

			Heart rate
			Median b∙min-1	Bias b∙min-1	Bias %
Phase One	Rest	REF	72.00 (18.00)	0.00 (4.45)	0.02 (5.55)
		BH	70.75 (23.38)
	Transition	REF	108.00 (30.00)	-0.80 (7.20)	-0.65 (7.38)
		BH	97.00 (31.18)
	Run	REF	162.00 (18.00)	-0.30 (4.60)	-0.20 (2.80)
		BH	163.50 (16.40)
	Total	REF	162.00 (24.00)	-0.30 (4.53)b	-0.20 (2.96)
		BH	160.70 (13.40)
Phase Two	Rest	REF	84.00 (24.00)	2.10 (4.55)	2.06 (5.77)
		BH	89.10 (29.45)
	Transition	REF	108.00 (6.00)	1.10 (9.30)	1.67 (8.78)
		BH	91.70 (21.30)
	Walk	REF	126.00 (40.50)	0.65 (9.25)	0.49 (7.82)
		BH	130.20 (46.58)
	Cycle	REF	120.00 (60.00)	1.90 (11.50)	1.79 (9.66)
		BH	121.80 (72.50)
	Sweep	REF	108.00 (27.00)	-3.60 (12.00)	-3.75 (9.70)
		BH	103.10 (20.05)
	Vacuum	REF	108.00 (30.00)	3.20 (13.76)	3.47 (13.46)
		BH	101.30 (33.34)
	Total	REF	108.00 (48.00)	1.10 (9.75)c	1.23 (8.61)
		BH	106.55 (51.68)

^aTable reports median (IQR) reference (REF) and BioHarness (BH) heart rates, absolute (b·min^-1) and relative (%) biases.

^b P=.003.

^c P=.001.