Table 1.

Clinical characteristics of the patients.

		Group 1	Group 2
		(N=100)	(N=100)
Gender	Female	27	35
	Male	73	65
Age (years)	Mean	62.59	62.23
	Median	63	63
BMI (kg/m2)	Mean	27.34	27.19
	Median	27.02	26.47
Surgery priority	Elective	45	46
	Urgent	48	53
	Emergency	7	1
Comorbidities	Hypertension	83	83
	Diabetes	42	46
	Dyslipidemia	19	17
	No comorbidities	16	14
Smoking	Non-smoker	34	25
	History of smoking	66	75
Heart rate	Normal sinus rhythm	91	94
	Atrial fibrillation	4	3
	Other	5	3
Ejection fraction	Preserved	65	63
	Mid-range	22	27
	Reduced	13	10
EuroSCORE II	Low risk (0-2 points)	26	17
	Moderate risk (3-5 points)	48	45
	High risk (6-45 points)	26	38

BMI=body mass index; EuroSCORE=European System for Cardiac Operative Risk Evaluation