Table 2.

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

Outcomes	1G-DES	2G-DES	Log-rank	Hazard ratio (95% CI)	p value
All patients
POCOs	100 (13.9)	353 (8.8)	<0.001	1.616 (1.294–2.017)	<0.001
All-cause death	43 (5.9)	171 (4.2)	0.035	1.431 (1.024–1.999)	0.036
Cardiac death	34 (4.7)	129 (3.1)	0.030	1.514 (1.037–2.209)	0.032
Re-MI	9 (1.3)	79 (2.0)	0.192	1.576 (0.791–3.141)	0.196
Death or MI	52 (7.2)	244 (6.0)	0.224	1.204 (0.892–1.624)	0.225
aAny disease revascularization	58 (8.4)	138 (3.6)	<0.001	2.383 (1.752–3.238)	<0.001
Stent thrombosis (probable or definite)	14 (1.9)	28 (0.7)	0.001	2.956 (1.556–5.615)	0.001
Acute	1 (0.1)	2 (0.0)	0.355	2.941 (0.267–32.44)	0.378
Subacute	4 (0.6)	13 (0.3)	0.290	1.814 (0.591–5.563)	0.298
Late	7 (1.0)	10 (0.2)	0.002	4.146 (1.578–10.89)	0.004
Very late	2 (0.3)	3 (0.1)	0.103	3.967 (0.663–23.74)	0.131
Propensity score-matched patients
POCOs	94 (13.5)	64 (9.5)	0.017	1.467 (1.068–2.015)	0.018
All-cause death	42 (6.0)	36 (5.3)	0.541	1.149 (0.736–1.793)	0.541
Cardiac death	33 (4.8)	25 (3.7)	0.317	1.303 (0.775–2.191)	0.319
Re-MI	8 (1.2)	8 (1.2)	0.971	1.019 (0.382–2.714)	0.971
Death or MI	50 (7.2)	44 (6.5)	0.588	1.118 (0.746–1.677)	0.588
aAny disease revascularization	54 (8.2)	24 (3.7)	0.001	2.259 (1.397–3.654)	0.001
Stent thrombosis (probable or definite)	13 (1.9)	3 (0.4)	0.012	4.361 (1.243–15.30)	0.021
Acute	1 (0.1)	0 (0.0)	0.317	—	—
Subacute	3 (0.4)	1 (0.1)	0.316	3.006 (0.313–28.90)	0.340
Late	7 (1.0)	2 (0.3)	0.093	3.526 (0.733–16.98)	0.116
Very late	2 (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.