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Table 2 Procedure-related characteristics of the studied patients

From: Efficacy and safety of standard and low dose ticagrelor versus clopidogrel in east AsianPatients with chronic total occlusion undergoing percutaneous coronary intervention: a single center retrospective study

Variables

Ticagrelor 90 mg (n = 171)

Ticagrelor 60 mg (n = 178)

Clopidogrel 75 mg (n = 176)

P-value

Site of access

 Radial

58 (33.9%)

52 (29.2%)

54 (30.7%)

0.627

 Femoral

23 (13.5%)

41 (23.0%)

35 (19.9%)

0.067

 Radial and Femoral

90 (52.6%)

85 (47.8%)

87 (49.4%)

0.657

 Total amount of conrrast (ml)

233.8 ± 102.0

228.3 ± 98.6

215.8 ± 94.6

0.327

 Total time of procedure (min)

123.6 ± 55.9

119.8.1 ± 57.5

128.4 ± 64.3

0.621

 LAD occlusion, n (%)

60 (35.1%)

55 (30.9%)

58 (33.0%)

0.716

 LCX occlusion, n (%)

32 (18.7%)

29 (16.3%)

28 (15.9%)

0.766

 RCA occlusion, n (%)

89 (52.0%)

96 (53.9%)

92 (52.3%)

0.939

 Occlusion lesion length, mm

58.4 ± 26.3

55.9 ± 24.6

56.6 ± 25.4

0.748

 Retrograde filling > grade 2

85 (49.7%)

82 (46.1%)

81 (46.0%)

0.730

 Reverse wire technique

44 (25.7%)

51 (28.7%)

48 (27.3%)

0.827

 IABP, n(%)

12 (7.0%)

9 (5.1%)

11 (6.3%)

0.743

 IVUS, n(%)

34 (19.9%)

38 (21.3%)

36 (20.5%)

0.953

 Number of stents per patient

2.8 ± 1.9

2.6 ± 1.8

2.7 ± 2.0

0.568

 Stent length (mean, mm)

65.9 ± 26.3

66.4 ± 29.5

67.2 ± 31.4

0.382

 TIMI III flow after PCI

152 (88.9%)

162 (91.0%)

158 (89.8%)

0.814

 Glycoprotein IIb/IIIa receptor inhibitor, n(%)

46 (26.9%)

55 (30.9%)

52 (29.5%)

0.716

 LMWH, (%)

50 (29.2%)

48 (27.0%)

56 (31.8%)

0.611

  1. Abbreviations: LAD Left anterior descending artery, LCX Left circumflex coronary artery, RCA Right coronary artery IABP, Intra-aortic balloon pump, IVUS Intravascular ultrasonography, TIMI Thrombolysis in myocardial infarction, LMWH Low-molecular-weight heparin