Research Article

Comparison of First- and Second-Generation Drug-Eluting Stents in Patients with Acute Myocardial Infarction and Prediabetes Based on the Hemoglobin A1c Level

Table 2

Clinical outcomes by Kaplan–Meier analysis and Cox proportional hazard ratio analysis at 2 years.

Outcomes1G-DES2G-DESLog-rankHazard ratio (95% CI) value

All patients
POCOs100 (13.9)353 (8.8)<0.0011.616 (1.294–2.017)<0.001
 All-cause death43 (5.9)171 (4.2)0.0351.431 (1.024–1.999)0.036
  Cardiac death34 (4.7)129 (3.1)0.0301.514 (1.037–2.209)0.032
 Re-MI9 (1.3)79 (2.0)0.1921.576 (0.791–3.141)0.196
 Death or MI52 (7.2)244 (6.0)0.2241.204 (0.892–1.624)0.225
aAny disease revascularization58 (8.4)138 (3.6)<0.0012.383 (1.752–3.238)<0.001
Stent thrombosis (probable or definite)14 (1.9)28 (0.7)0.0012.956 (1.556–5.615)0.001
 Acute1 (0.1)2 (0.0)0.3552.941 (0.267–32.44)0.378
 Subacute4 (0.6)13 (0.3)0.2901.814 (0.591–5.563)0.298
 Late7 (1.0)10 (0.2)0.0024.146 (1.578–10.89)0.004
 Very late2 (0.3)3 (0.1)0.1033.967 (0.663–23.74)0.131

Propensity score-matched patients
POCOs94 (13.5)64 (9.5)0.0171.467 (1.068–2.015)0.018
 All-cause death42 (6.0)36 (5.3)0.5411.149 (0.736–1.793)0.541
  Cardiac death33 (4.8)25 (3.7)0.3171.303 (0.775–2.191)0.319
 Re-MI8 (1.2)8 (1.2)0.9711.019 (0.382–2.714)0.971
 Death or MI50 (7.2)44 (6.5)0.5881.118 (0.746–1.677)0.588
aAny disease revascularization54 (8.2)24 (3.7)0.0012.259 (1.397–3.654)0.001
Stent thrombosis (probable or definite)13 (1.9)3 (0.4)0.0124.361 (1.243–15.30)0.021
 Acute1 (0.1)0 (0.0)0.317
 Subacute3 (0.4)1 (0.1)0.3163.006 (0.313–28.90)0.340
 Late7 (1.0)2 (0.3)0.0933.526 (0.733–16.98)0.116
 Very late2 (0.3)0 (0.0)0.155

1G: first-generation; 2G: second-generation; DES: drug-eluting stent; HR: hazard ratio; CI: confidence interval; POCOs: patient-oriented composite outcomes; Re-MI: recurrent myocardial infarction. aAny disease revascularization was composed of target lesion revascularization, target vessel revascularization, and nontarget vessel revascularization.