The Prognostic Value of Peripheral Artery Diseases in Patients with ST-Segment Elevation Myocardial Infarction

Table 2

Prevalence of risk factors among patients with STEMI according to the degree of stenosis in the noncoronary arteries (ECA or LEA).

Risk factors	Patient groups				𝑃 value
	IMT < 1 mm; No stenosis; (𝑛=22)	IMT ≥ 1 mm; Stenosis < 30%; (𝑛=201)	Stenosis 30–50%; (𝑛=75)	Stenosis over 50%; (𝑛=125)
Age > 60 years, %	9.09	44.78	53.33	72.80	𝜒^2=42.12; <0.0001
Prior angina pectoris, %	22.73	48.26	45.33	66.40	𝜒^2=20.38; 0.0001
Prior MI, %	13.64	17.91	24.00	36.80	𝜒^2=16.42; 0.0009
Prior congestive HF, %	4.55	3.48	9.333	14.40	𝜒^2=13.35; 0.003
Prior stroke, %	0	2.99	12.0	16.80	𝜒^2=22.13; <0.0001
Killip II–IV, %	4.55	17.41	14.67	32.80	𝜒^2=17.56; 0.0005
Glomerular filtration rate (MDRD formula) <60 mL/min/1.73 m^2, %	3.4	42.5	24.8	29.3	𝜒^2=32.41; 0.0001
Concentration of triglycerides > 1.7 mmol/L	73.68	54.04	45.16	35.35	𝜒^2=13.41; 0.003
LV EF ≤ 40%, %	9.09	12.44	18.67	25.60	𝜒^2=10.49; 0.014
CA lesions > 2, %	30.00	65.84	69.84	74.67	𝜒^2=14.54; 0.002

IMT: intima-media thickness; MI: myocardial infarction; HF: heart failure; LV EF: left ventricular ejection fraction; CA: coronary artery.