TABLE 4.

Univariate analysis on RCRI score and substituted HH-RCRI score on mortality and postoperative outcomes.

		RCRI score [OR, (95% Cl)]	Substituted HH – RCRI score [OR, (95% Cl)]
30-day mortality	Risk categories	<0.001	<0.001
	Intermediate risk	2.54, (2.12, 3.03)	2.42, (2.04, 2.88)
	High risk	5.30, (4.50, 6.23)	5.38, (4.56, 6.33)
90-day mortality	Risk categories	<0.001	<0.001
	Intermediate risk	3.20, (2.78, 3.68)	2.88, (2.50, 3.31)
	High risk	5.52, (4.81, 6.33)	6.04, (5.26, 6.92)
Postop AMI	Risk categories	<0.001	<0.001
	Intermediate risk	2.63, (2.34, 2.95)	2.86, (2.53, 3.22)
	High risk	5.41, (4.81, 6.08)	5.58, (4.96, 6.27)
Postop AKI	Risk categories	<0.001	<0.001
	Intermediate risk	3.70, (3.40, 4.02)	3.72, (3.44,4.03)
	High risk	5.79, (5.26, 6.37)	6.82, (6.20,7.50)

Bonferroni correction: p-value is significant if p < 0.00625. RCRI, lee’s revised cardiac risk index; HH ratio, hemoglobin/HbA1C ratio; Postop, postoperative; AMI, acute myocardial injury; AKI, acute kidney injury.