Table 3.

Direct Comparisons of Participants' ECG Interpretation Accuracy for All ECGs (36) and Limited to ECGs Just From Those With Culprit Lesions on Angiography (24)

	All ECGs			True STEMI ECGs Only
	OR	95% CI	P Value	OR	95% CI	P Value
By experience
Per 5 years experience*	1.06	1.02 to 1.10	0.01	1.05	0.61 to 1.78	0.87
Resident	Ref	—	—	Ref	—	—
Fellow	1.26	1.02 to 1.57	0.03	1.07	0.84 to 1.38	0.56
Attending	1.45	1.19 to 1.77	<0.01	1.42	1.06 to 1.89	0.02
By specialty
Non‐cardiologists	Ref	—	—	Ref	—	—
General cardiologists	0.97	0.79 to 1.2	0.8	0.91	0.72 to 1.14	0.42
Interventional cardiologists	1.24	0.93 to 1.67	0.15	1.2	0.88 to 1.62	0.25
Attending emergency physicians	Ref	—	—	Ref	—	—
Attending general cardiologists	0.91	0.67 to 1.23	0.53	0.77	0.50 to 1.20	0.25
Attending interventional cardiologists	1.06	0.73 to 1.53	0.77	0.91	0.57 to 1.45	0.69

CI indicates confidence interval; ECG, electrocardiogram; OR, odds ratio; STEMI, ST‐segment elevation myocardial infarction.

^*Experience since medical school graduation.