|OR (95% CI)|
|Morning with antiarrhythmics||Ref.|
|Morning without antiarrhythmics||3.90 (0.61–25.1)|
|Afternoon with antiarrhythmics||2.61 (1.06–6.42)|
|Afternoon without antiarrhythmics||21.37 (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.