Table 2. Lesional Characteristics
Onset of Very Late Stent ThrombosisP Value
All (n=98)Earlier (n=49)Delayed (n=49)
Reasons for previous stenting0.209
Stable angina23 (23.5)8 (16.3)15 (30.6)
Unstable angina26 (26.5)13 (26.5)13 (26.5)
Acute myocardial infarction49 (50.0)28 (57.1)21 (42.9)
Lesion location0.909
Left anterior descending60 (61.2)31 (63.3)29 (59.2)
Left circumflex9 (9.2)4 (8.2)5 (10.2)
Right29 (29.6)14 (28.6)15 (30.6)
Drug‐eluting stents<0.001
First‐generation71 (72.4)26 (53.1)45 (91.8)
Sirolimus572136
Paclitaxel1459
Next‐generation27 (27.6)23 (46.9)4 (8.2)
Zotarolimus1293
Everolimus1091
Biolimus550
Stent age, months55.1 (34.4, 74.0)35.2 (22.9, 41.3)73.7 (62.3, 84.2)<0.001
Stent diameter, mm3.3 (3.0, 3.5)3.3 (3.0, 3.5)3.2 (3.0, 3.5)0.890
Stent length, mm28.0 (23.0, 33.0)31.5 (18.5, 35.8)28.0 (23.0, 33.0)0.671
Overlapped stents21 (21.4)11 (22.4)10 (20.4)0.806
Bifurcation lesions3 (3.1)2 (4.1)1 (2.0)1.000
TIMI flow0.384
Grade 072 (73.5)34 (69.4)38 (77.6)
Grade 14 (4.1)2 (4.1)2 (4.1)
Grade 26 (6.1)2 (4.1)4 (8.2)
Grade 316 (16.3)11 (22.4)5 (10.2)
  • Data are presented as number (percentage) or median (interquartile range). TIMI indicates thrombolysis in myocardial infarction.