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

PhaseAccuracy criteriaCT (% errors)VT (% errors)OR (95% CI)
ICategory65/220 (29.5)36/220 (16.3)2.1 (1.4 to 3.4)
±10 beats/min75/220 (34.1)32/220 (14.5)3.0 (1.9 to 4.8)
IICategory27/135 (20.0)17/135 (12.6)1.7 (0.9 to 3.4)
±10 beats/min27/135 (20.0)8/135 (5.9)4.0 (1.7 to 8.5)
Total category92/355 (26%)53/355 (15%)2.0 (1.4 to 2.9)
Total ±10 beats/min102/355 (29%)40/355 (11%)3.2 (2.1 to 4.8)
  • CT, clock timer; VT, visual timer.