Aberrant Spontaneous Brain Activity in Coronary Heart Disease Using Fractional Amplitude of Low-Frequency Fluctuations: A Preliminary Resting-State Functional MRI Study

Table 1

Demographic and clinical characteristics.

	Control subjects ()	CHD patients ()	Statistics	value
Demographic characteristics
Gender: men (%)	21 (60%)	14 (56%)		0.757^b
Age (year)				0.064^a
Education (year)				0.513^a
BMI (kg/m^2)				0.942^a
Clinical characteristics
Hypertension, (%)	19 (54%)	14 (56%)		0.895^b
Diabetes, (%)	4 (11%)	4 (16%)		0.898^b
Smoking, (%)	11 (31%)	7 (28%)		0.775^b
LVEF (%)				0.784^a
Disease duration (month)	N/A		N/A	N/A
History of MI, (%)	N/A	6 (24%)	N/A	N/A

The data are shown as the mean . N/A = not applicable; BMI = body mass index; LVEF = left ventricular ejection fraction; MI = myocardial infarction. ^aThe value was obtained by a two-sample -test. ^bThe value was obtained by the chi-squared test.