Table 3.

PMI rates in the study cohorts stratified by RCRI class.

RCRI (Lee’s) Classes	PERIOPERATIVE_MI				p value	OR	95% CI
	No		Yes
	Count	%	Count	%
Class I	237	97.5	6	2.5	–	1	–
Class II	174	92.6	14	7.4	0.02	3.2	1.200–8.4
Class III	62	88.6	8	11.4	0.004	5.097	1.705–15.232
Class IV	19	79.2	5	20.8	0.002	10.395	2.903–37.219

p < 0.0001, Logistic regression analysis, OR-Odds ratio; CI-Confidence interval.