Table 3.

CLIN-RISK and CLIN-EO-RISK score system

Variable	Classification	Score
Gender	M	0
	F	0.5
Age	<30	0
	31–40	1.5
	41–50	3
	51–60	4.5
	61–70	6
	71–80	7.5
	>81	9
Left ventricular ejection fraction	>50%	0
	30–50%	2
	<30%	4
Hypertension	No	0
	Yes	1.5
Diabetes	No	0
	Yes	1.5
Renal function	NF or Stage I	0
	Stage II	1.5
	Stage IIIa	3
	Stage IIIb	4.5
	Stage IV–V	6
Reoperation cardiac surgery	No	0
	Yes	2.5
Surgery type	Single operation	0
	Combination	2
EO (pmol/L)	<133	0
	133–210	4.5
	>210	8.5

Total: CLIN-RISK score: 0–27; CLIN-EO-RISK score 0–35.5.