Correlation between heart rate variability and severity of coronary atherosclerosis: Looking for non-invasive indicators of the disease severity

Table 1 Baseline demographics

Variables		n	%	mean ± SD
Sex	Women	57	41.01
	Men	82	58.99
Age (years)				58.98 ± 9.63
BMI (kg/m2)				27.80 ± 3.71
Gensini score				40.02 ± 56.95
Type 2 diabetes mellitus		30	21.58
Hypertension		102	73.38
Current smoker		49	35.25
Hypercholesterolemia		90	64.75
History of myocardial infarction	Q-wave	40	28.78
	Non-Q wave	1	0.72
CCS classification
CCS I		28	20.1
CCS II		55	39.6
CCS III		38	27.3
CCS IV		18	13
History of TIA		1	0.72
History of stroke		10	7.19
History of CABG		5	3.6
History of PTCA		15	10.79
ASA		139	100
ACE-I usage		92	66.19
Diuretic usage		41	29.5
Calcium-channel blocker usage		24	17.27
Antiarhythmic usage		9	6.47
Statin usage		95	68.35
Fibrate usage		6	4.32
Beta-blocker usage		92	66.19
Nitrate usage		68	48.92

ASA: Acetylsalicylic acid; ACE-I: Angiotensin-converting enzyme inhibitors; BMI: Body mass index; CABG: Coronary artery bypass graft; CCS: Canadian Cardiovascular Society; PTCA: Percutaneous coronary angioplasty; TIA: Transient ischemic atta.