Table 3.

Percent admitted to coronary care unit or intensive care unit by presenting symptom, sex, and age category

	Age 50 years or younger		Age 51 or older
	Male	Female	Male	Female
Chest pain	79.0	70.1*	74.6	67.0**
Arrhythmia	87.2	66.7	68.9	43.4**
Atypical symptoms (e.g., musculoskeletal pain, shortness of breath)	63.9	56.3	44.7	43.3
Referred to emergency department due to abnormal findings	85.7	100.0a	60.4	50.0
All	78.7	69.1*	70.7	60.3**

^aLess than 5 patients

**P value <0.001; * 0.001 < P value < 0.05