Table 2.

Percent arrived to emergency department within 60 min of onset of symptoms by presenting symptom, sex, and age category

	Age 50 years or younger		Age 51 or older
	Male	Female	Male	Female
Chest pain	20.1	10.2	13.1	9.8
Arrhythmia	46.2	11.1	24.5	18.9
Atypical symptoms (e.g., musculoskeletal pain, shortness of breath)	16.7	12.5	8.2	7.3
Referred to emergency department due to abnormal findings	7.1	0.0	6.3	5.9
All	21.2	10.3	13.3	9.9