Table 3.

Multivariable Regression Analysis for the Independent Factors Associated With QCA-Based LSD

Odds Ratio (95% CI)P Value
Lesion factors
 Left main lesion3.272 (1.608–6.659)0.001
 Ostial lesion1.940 (1.072–3.514)0.029
Stent-related factors
 Peak-to-peak stent platform (vs offset peak-to-peak)1.520 (0.771–2.995)0.227
 Peak-to-valley stent platform (vs offset peak-to-peak)0.766 (0.438–1.342)0.352
Procedural factors
 Bifurcation treatment with SB stenting10.55 (5.372–20.72)< 0.001
 Additional downstream PCI3.830 (2.384–6.154)< 0.001
 IVUS or OCT use3.291 (1.992–5.438)< 0.001
 Adjunctive POBA3.287 (1.268–8.523)0.014
 Bifurcation treatment with SB ballooning2.215 (1.243–3.944)0.007
  • CI indicates confidence interval; IVUS, intravascular ultrasound; OCT, optical coherence tomography; LSD, longitudinal stent deformation; PCI, percutaneous coronary intervention; POBA, plain old balloon angioplasty; QCA, quantitative coronary angiography; and SB, side branch.