Table 1.

Comparison of demographic and comorbidity characteristics between the original EuroSCORE II population and an Iranian sample^[2].

Variable		Frequencies (%) or mean (SD) [range] of original EuroSCORE II Population (N=22381)	Frequencies (%) or mean (SD) [range] of our Population (N=2581)
Age		64.6 (12.5) [18-95]	56.3 (13.88) [17-94]
Gender	Female	6919 (30.9%)	1044 (40.4%)
	Male	15462 (69.1%)	1537 (59.6%)
Height (cm)		168.5 (9.6) [100-213]	164.1 (10.0) [104-199]
Weight (kg)		77.9 (15.9) [30-182]	68.4 (13.4) [28-132]
BMI (kg/m2)		27.4 (4.8) [9.6-82.6]	25.4 (4.8) [10.1-62.6]
Diabetes on insulin		5643 (25.2%)	572 (22.2%)
NYHA	Class II	NA	1008 (37.0%)
	Class III	NA	957 (37.1%)
	Class IV	NA	96 (3.6%)
Chronic pulmonary disease		2384 (10.7%)	56 (2.2%)
Serum creatinine (mg/dl)		1.13 (0.92)	1.09 (0.98)
Renal failure		108 (0.5%)	158 (6.1%)
	Dialysis		23 (0.9%)
LV function (ejection fraction)	EF≤50	NA	1150 (44.6%)
	51-70	NA	782 (30.3%)
	EF≤70	NA	20 (0.8%)
Recent MI		NA	161 (6.2%)
Pulmonary hypertension		NA	190 (7.3%)
Previous cardiac surgery		NA	8 (0.3%)
Urgency	Urgent operation	4135 (18.5%)	None
	Emergency	972 (4.3%)	None
	Elective	17 165 (76.7%)	2581 (100%)
	Salvage	109 (0.5%)	None

NA=not available; BMI=body mass index; NYHA=New York Heart Association functional classification; LV=left ventricle; MI=myocardial infarction