Table 3.

CMR at Day 2 by Quartiles of IMR Measured at the End of Primary PCI

	Quartiles of IMR
	1	2	3	4	P*	P Trend
	(≤17)	(18–27)	(28–42)	(>42)
Area at risk, %	30.0±12.4	28.8±11.6	31.2±11.5	38.2±12.2	0.036†	0.020
Infarct size, %	17.3±13.1	18.1±13.0	24.5±12.0	31.7±13.0	0.001‡	<0.001
Myocardial salvage index, %*	28.3±40.2	17.5±48.2	21.3±37.6	14.3±24.8	0.338‡	<0.001
Left ventricular ejection fraction, %	53.6±8.4	54.3±10.3	51.0±9.8	46.1±9.3	0.017†	0.005

Data are mean±SD, P value for group differences, and P value for test of trend.

^*Values are geometric mean±SD calculated from the log‐transformed distributions.

^†P values from analysis of variance.

^‡P values from Kruskal‐Wallis tests.