Table 1. Preoperative patients’ characteristics in both groups.

Variables	Group A—NMST [66]	Group B—CST [57]	P
Sex M [F]	50 [16]	37 [20]	0.187
Age	70.55 (SD 10.317)	70.32 (SD 8.986)	0.896
Body mass Index	25.33 (SD 3.63)	26.43 (SD 3.83)	0.173
History of CAD	12	10	0.538
Hypertension	29	32	0.709
Hypercolesterolemy	17	13	0.292
Neurological dysfunction	4	5	0.780
Extra-cardiac arteriopathy	17	28	0.03
Peripheral vascular arteriopathy	5	17	0.05
Ipercreatininemia (CrPl >2.25 mg/L)	11	18	0.150
Dialysis	4	3	0.648
COPD	7	8	0.461
Smoke	13	13	0.890
EuroSCORE	9.08 (SD 2.303)	9.96 (SD 3.677)	0.192

NMST, New Modified Surgical Technique; CST, Classical Surgical Technique; COPD, chronic obstructive pulmonary disease; CAD, coronary artery disease.