Research Article

Effects of Ticagrelor versus Clopidogrel in Patients with Coronary Bifurcation Lesions Undergoing Percutaneous Coronary Intervention

Table 2

Procedural characteristics.

VariablesOverall populationPropensity score-matched population
Clopidogrel
(n=283)
Ticagrelor
(n=270)
P valueClopidogrel
(n=240)
Ticagrelor
(n=240)
P value

Bifurcation site0.0030.063
 LM/LAD/LCX, n (%)30(10.60)60(22.22)30(12.50)47(19.58)
 LAD/diagonal, n (%)190(67.14)162(60.00)172(71.67)147(61.25)
 LCX/marginal, n (%)39(13.78)28(10.37)26(10.83)27(11.25)
 Distal RCA, n (%)24(8.48)20(7.41)1219
Medina classification0.0790.194
 1.1.1, n (%)114(40.28)139(51.48)106(44.17)117(48.75)
 1.1.0, n (%)53(18.72)44(16.30)32(13.33)42(17.50)
 1.0.1, n (%)20(7.07)23(8.52)18(7.50)22(9.17)
 1.0.1, n (%)15(5.30)11(4.07)10(4.17)10(4.17)
 0.1.1, n (%)49(17.31)34(12.59)47(19.58)31(12.92)
 0.1.0, n (%)32(11.31)19(7.04)27(11.25)18(7.50)
True bifurcation (1.1.1, 1.0.1, 0.1.1), n (%)183(64.66)196(72.59)0.045171(71.25)170(70.83)0.920
Single stent, n (%)41(14.49)45(16.67)0.48040(16.66)35(14.58)0.530
Lesion Length
 Main vessel, mm15.32±5.4914.98±5.810.50815.29±5.4614.91±5.840.491
 Side branch, mm9.27±3.779.84±4.650.1239.33±3.749.56±4.430.546
Reference vessel diameter
 Main vessel, mm3.00±0.383.07±0.420.0553.03±0.383.07±0.420.290
 Side branch, mm2.37±0.372.43±0.440.0562.39±0.382.43±0.440.243
Stent length
 Main vessel, mm21.01±5.9621.20±5.590.70621.35±5.8321.00±5.650.499
 Side branch, mm17.37±5.0318.62±5.990.29817.55±4.9617.91±6.230.779
Stent diameter
 Main vessel, mm3.19±0.393.25±0.410.1223.23±0.393.25±0.420.681
 Side branch, mm2.85±0.342.92±0.430.3812.84±0.352.93±0.480.377
Syntax score19.41±8.4421.01±8.620.02819.92±8.6120.17±8.000.740
Syntax stratification0.0360.388
 1-22, n (%)193(68.20)161(59.63)161(67.08)152(63.33)
 >23, n (%)90(31.80)109(40.37)79(32.92)88(36.67)

Results are expressed as mean± standard or n (%).
LM: left main coronary artery, LAD: left anterior descending coronary artery, LCX: left circumflex coronary artery, and RCA: right coronary artery.