Table 2. Comparison of biomarkers value in STEMI and NSTEMI in different grades of collaterals.

	Biomarkers	Group -A N=2949 (81.55%)	Group -B N=667 (18.45%)	P value
NSTEMI	Troponin I	5.61±13.26	3.34±7.09	0.01*
	CPK-MB	42.83±79.63	30.28±49.65	0.01*
STEMI	Troponin I	4.41±12.21	1.52±3.93	0.000*
	CPK-MB	31.13±75.35	19.05±36.63	0.002*

Abbreviations: NSTEMI, non-ST elevation myocardial infarction; STEMI, ST elevation myocardial infarction

*Statistically significant