Correlation between intracoronary thrombus components and coronary blood flow after percutaneous coronary intervention for acute myocardial infarction at different onset time

Table 2 Relationship between different thrombus properties and incidence of no-reflow and slow blood flow after percutaneous coronary intervention at different acute myocardial infarction onset time, n (%)

Subgroups	No reflow or slow blood flow	< 3 h	3-6 h	6-12 h
White thrombus (32 cases)	No	3 (75.0)	5 (38.46)	3 (20.0)
	Yes	1 (25.0)	8 (61.54)	12 (80.0)
Red thrombus (122 cases)	No	27 (100)	50 (90.91)	30 (75.0)
	Yes	0 (0)	5 (9.09)	10 (25.0)
Fisher			15.467	13.75
P value		0.143	< 0.001	< 0.001