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.