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Table 2 Characteristics of angiography, balloons, and stents in the ISR and non-ISR groups

From: A prediction model based on platelet parameters, lipid levels, and angiographic characteristics to predict in-stent restenosis in coronary artery disease patients implanted with drug-eluting stents

Parameters ISR (n = 56) Non-ISR (n = 912) t/χ2 P
LM stenosis, n (%) 6 (11.11) 51 (5.60) 2.79 0.095
LAD stenosis, n (%) 37 (66.07) 592 (64.91) 0.03 0.86
LCX stenosis, n (%) 29 (51.79) 389 (42.65) 1.79 0.181
RCA stenosis, n (%) 37 (66.07) 460 (50.44) 5.16 0.023*
Lesion vessels 2.61 ± 1.39 2.12 ± 1.44 −2.35 0.014*
Stents 0.23 ± 0.57 0.33 ± 0.75 0.99 0.323
Post-balloon dilatation, n (%) 30 (55.56) 446 (50.80) 0.46 0.575
Balloon diameters (mm) 2.77 ± 1.01 2.95 ± 0.80 −1.13 0.261
Balloon lengths (mm) 12.10 ± 5.17 12.17 ± 4.44 −0.088 0.930
Stent diameter (mm) 2.72 ± 0.29 2.85 ± 1.09 −0.855 0.393
Stent length (mm) 26.28 ± 7.93 26.89 ± 7.45 −0.558 0.577
  1. * P < 0.05, compared with non-ISR group. Abbreviations: LM left main coronary artery, LAD left anterior descending coronary artery, LCX Left circumflex coronary artery, RCA right coronary artery