Table 1.

ORs with 95% CIs for the percentage error for the heart rate category and within 10 beats/min for each method, CT and VT, during phases I and II

Phase	Accuracy criteria	CT (% errors)	VT (% errors)	OR (95% CI)
I	Category	65/220 (29.5)	36/220 (16.3)	2.1 (1.4 to 3.4)
	±10 beats/min	75/220 (34.1)	32/220 (14.5)	3.0 (1.9 to 4.8)
II	Category	27/135 (20.0)	17/135 (12.6)	1.7 (0.9 to 3.4)
	±10 beats/min	27/135 (20.0)	8/135 (5.9)	4.0 (1.7 to 8.5)
Total category		92/355 (26%)	53/355 (15%)	2.0 (1.4 to 2.9)
Total ±10 beats/min		102/355 (29%)	40/355 (11%)	3.2 (2.1 to 4.8)

CT, clock timer; VT, visual timer.