Applying Pulse Spectrum Analysis to Facilitate the Diagnosis of Coronary Artery Disease

Table 1

Demographic features of patients with and without coronary artery disease.

Variable	CAD	Non-CAD	P value
	(n=63)	(n=20)
Gender (male: n, %)	52(82.5%)	14(70.0%)	NS
Age (yr)	59.77±10.51	50.68±12.64	<0.01
Height (cm)	166.31±8.09	167.40±7.73	NS
Weight (kg)	71.45±12.04	76.75±15.62	NS
BMI (kg/m^2)	25.81±3.75	27.23±4.17	NS
Comorbidity
Hypertension (n, %)	42(66.7%)	10(50.0%)	NS
Diabetes (n, %)	17(27.0%)	2(10.0%)	NS
Hyperlipidemia (n, %)	23(36.5%)	7(35.0%)	NS
SBP (mmHg)	135.19±15.10	135.60±21.77	NS
DBP (mmHg)	80.89±9.91	82.25±10.03	NS
FPG (mg/dl)	153.14±60.53(57)	124.88±35.96(17)	NS
Total cholesterol (mg/dl)	171.45±43.16(56)	155.94±22.64(16)	NS
TG (mg/dl)	142.31±65.21(61)	127.61±66.66(18)	NS
LDL (mg/dl)	115.96±42.56(57)	101.69±24.99(16)	NS

(i) Continuous data are presented as mean ± SD.
(ii) Categorical data are presented as number of patients (percentages).
(iii) For FPG, total cholesterol, LDL, and TG, the number of people examined is indicated in parentheses.
(iv) P < 0.05: being statistically significant.
(v) NS: not significant.
(vi) BMI: body mass index = Weight (kg)/ Height² (m)
(vii) CAD: coronary artery disease; SBP: systolic blood pressure; DBP: diastolic blood pressure; FPG: fasting plasma glucose; TG: triglyceride; and LDL: low density lipoprotein.