Table 6

Comparison of Ventricular Arrhythmias During EST Interaction between Testing Time and Antiarrhythmic Use

OR (95% CI)
Morning with antiarrhythmicsRef.
Morning without antiarrhythmics3.90 (0.61–25.1)
Afternoon with antiarrhythmics2.61 (1.06–6.42)
Afternoon without antiarrhythmics21.37 (5.98–76.4)

Adjusted by age, sex, and multicenters. Variables indicate time of EST and whether patient was prescribed an antiarrhythymic at the time of the test.

EST = exercise stress test; other abbreviations as in Table 2.