Research Article

The Comparison of the Initial TIMI Flow Grade in Acute ST-Elevation Myocardial Infarction Patients Receiving Ticagrelor vs. Clopidogrel before Undergoing Primary Percutaneous Coronary Intervention: A Prospective Cohort Study

Table 2

Initial and final TIMI flow grades of the culprit vessel in the treatment groups.

Grade1Ticagrelor (n = 80)Clopidogrel (n = 80)P2P3P4

Initial TIMI flow
 040 (50.0)59 (71.2)0.0220.0470.005
 121 (26.2)13 (16.2)0.976
 210 (12.5)8 (10.0)1.000
 39 (12.9)2 (2.5)0.229
Final TIMI flow
 121 (26.2)13 (16.2)0.1790.7320.414
 26 (7.5)11 (13.8)1.000
 353 (66.3)56 (70.0)1.000

1Data are presented as numbers (%). value <0.05. 2Chi-squared test. 3Chi-squared post hoc analysis with Bonferroni correction. 4Mann–Whitney U test.