Table 4.

Clinical Outcomes According to the Presence of QCA-Based LSD After 3-Year Follow-Up

Without LSD (n=5790)With LSD (n=81)Hazard Ratio (95% CI) (Without LSD as Reference)P Value
All-cause death5.27% (278)7.55% (6)1.572 (0.700–3.529)0.273
 Cardiac death3.04% (158)3.85% (3)1.383 (0.441–4.335)0.578
Any myocardial infarction1.20% (63)1.31% (1)1.160 (0.161–8.362)0.883
 MI because of ST0.26% (13)0.00% (0)0.372 (0.020–6.972)0.509
 MI in target vessel0.54% (29)1.31% (1)2.520 (0.343–18.50)0.363
Any repeat revascularization8.35% (445)14.41% (10)1.679 (0.897–3.142)0.105
Target lesion revascularization2.66% (139)4.00% (2)1.041 (0.258–4.205)0.955
Target vessel revascularization3.34% (178)4.05% (2)0.815 (0.202–3.285)0.774
Definite or probable ST0.42% (22)0.00% (0)0.619 (0.035–10.87)0.743
Target lesion failure5.88% (310)8.97% (6)1.415 (0.631–3.175)0.399
Patient-oriented composite outcomes13.50% (728)20.15% (15)1.533 (0.920–2.557)0.101
  • CI indicates confidence interval; LSD, longitudinal stent deformation; MI, myocardial infarction; QCA, quantitative coronary angiography; and ST, stent thrombosis.