Incidence and impact of totally occluded culprit coronary artery in patients with non-ST segment elevation myocardial infarction acute coronary syndrome

The Egyptian Heart Journal

Table 3 GRACE risk score and TIMI risk score at admission of the studied population

	Group 1 (n = 112)		Group2 (n = 388)		Test of significance	p
	No.	%	No.	%	Test of significance	p
GRACE risk score [19]
Low (1–108)	64	57.3	232	59.8	χ² =2.67	^MCp =0.28
Intermediate (109–140)	40	35.7	114	31.9
High (141–372)	8	7	32	8.3
TIMI risk score [20]
Low (0–2)	20	17.8	80	20.6	χ²=1.567	^MCp =0.37
Intermediate (3–5)	82	73.3	268	69.1
High (>5)	10	8.9	40	10.3