Table 2

Clinical outcomes at 30 days and 1- and 2-years for myocardial infarction patients with premature or non-premature coronary artery disease

Premature coronary artery disease
VariableYes (n = 582)No (n = 2741)HR (95% CI)Plog-rankAdjusted HR (95% CI)cPlog-rank
30 days
Major adverse cardiac eventsa1 (0.2)43 (1.6)0.11 (0.02–0.79)0.008
Target vessel failureb2 (0.3)42 (1.5)0.22 (0.05–0.92)0.023
All-cause death012 (0.5)
 Cardiac death09 (0.3)
Any myocardial infarction026 (1.0)
 Target vessel–related myocardial infarction023 (0.8)
Target vessel revascularization2 (0.3)16 (0.6)0.59 (0.14–2.56)0.47
 Target lesion revascularization1 (0.2)11 (0.4)0.43 (0.06–3.31)0.40
1 year
Major adverse cardiac eventsa10 (1.7)107 (3.9)0.44 (0.23–0.83)0.0100.50 (0.26–0.96)0.037
Target vessel failureb11 (1.9)101 (3.7)0.51 (0.27–0.95)0.0030.56 (0.30–1.05)0.07
All-cause death2 (0.3)48 (1.8)0.20 (0.05–0.80)0.0120.24 (0.06–0.98)0.046
 Cardiac death1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.22 (0.03–1.60)0.13
Any myocardial infarction1 (0.2)31 (1.1)0.15 (0.02–1.11)0.0310.17 (0.02–1.28)0.08
 Target vessel–related myocardial infarction1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.21 (0.03–1.54)0.12
Target vessel revascularization11 (1.9)60 (2.2)0.86 (0.45–1.63)0.640.90 (0.47–1.73)0.76
 Target lesion revascularization9 (1.6)38 (1.4)1.10 (0.54–2.30)0.781.27 (0.61–2.66)0.53
2 years
Major adverse cardiac eventsa21 (3.6)164 (6.0)0.60 (0.38–0.94)0.0240.72 (0.49–1.06)0.10
Target vessel failureb21 (3.6)136 (5.0)0.72 (0.45–1.14)0.200.95 (0.64–1.41)0.81
All-cause death3 (0.5)76 (2.8)0.19 (0.06–0.59)<0.0010.16 (0.05–0.50)0.002
 Cardiac death1 (0.2)33 (1.2)0.14 (0.02–1.04)0.0250.13 (0.02–0.97)0.047
Any myocardial infarction9 (1.6)53 (1.9)0.79 (0.39–1.60)0.511.03 (0.56–1.87)0.94
 Target vessel–related myocardial infarction6 (1.0)40 (1.5)0.70 (0.30–1.65)0.410.78 (0.35–1.74)0.55
Target vessel revascularization20 (3.5)85 (3.2)1.10 (0.68–1.79)0.711.38 (0.90–2.10)0.14
 Target lesion revascularization15 (2.6)57 (2.1)1.23 (0.70–2.18)0.471.48 (0.90–2.46)0.12
Premature coronary artery disease
VariableYes (n = 582)No (n = 2741)HR (95% CI)Plog-rankAdjusted HR (95% CI)cPlog-rank
30 days
Major adverse cardiac eventsa1 (0.2)43 (1.6)0.11 (0.02–0.79)0.008
Target vessel failureb2 (0.3)42 (1.5)0.22 (0.05–0.92)0.023
All-cause death012 (0.5)
 Cardiac death09 (0.3)
Any myocardial infarction026 (1.0)
 Target vessel–related myocardial infarction023 (0.8)
Target vessel revascularization2 (0.3)16 (0.6)0.59 (0.14–2.56)0.47
 Target lesion revascularization1 (0.2)11 (0.4)0.43 (0.06–3.31)0.40
1 year
Major adverse cardiac eventsa10 (1.7)107 (3.9)0.44 (0.23–0.83)0.0100.50 (0.26–0.96)0.037
Target vessel failureb11 (1.9)101 (3.7)0.51 (0.27–0.95)0.0030.56 (0.30–1.05)0.07
All-cause death2 (0.3)48 (1.8)0.20 (0.05–0.80)0.0120.24 (0.06–0.98)0.046
 Cardiac death1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.22 (0.03–1.60)0.13
Any myocardial infarction1 (0.2)31 (1.1)0.15 (0.02–1.11)0.0310.17 (0.02–1.28)0.08
 Target vessel–related myocardial infarction1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.21 (0.03–1.54)0.12
Target vessel revascularization11 (1.9)60 (2.2)0.86 (0.45–1.63)0.640.90 (0.47–1.73)0.76
 Target lesion revascularization9 (1.6)38 (1.4)1.10 (0.54–2.30)0.781.27 (0.61–2.66)0.53
2 years
Major adverse cardiac eventsa21 (3.6)164 (6.0)0.60 (0.38–0.94)0.0240.72 (0.49–1.06)0.10
Target vessel failureb21 (3.6)136 (5.0)0.72 (0.45–1.14)0.200.95 (0.64–1.41)0.81
All-cause death3 (0.5)76 (2.8)0.19 (0.06–0.59)<0.0010.16 (0.05–0.50)0.002
 Cardiac death1 (0.2)33 (1.2)0.14 (0.02–1.04)0.0250.13 (0.02–0.97)0.047
Any myocardial infarction9 (1.6)53 (1.9)0.79 (0.39–1.60)0.511.03 (0.56–1.87)0.94
 Target vessel–related myocardial infarction6 (1.0)40 (1.5)0.70 (0.30–1.65)0.410.78 (0.35–1.74)0.55
Target vessel revascularization20 (3.5)85 (3.2)1.10 (0.68–1.79)0.711.38 (0.90–2.10)0.14
 Target lesion revascularization15 (2.6)57 (2.1)1.23 (0.70–2.18)0.471.48 (0.90–2.46)0.12

Data are n (%), unless otherwise indicated.

Italic values are statistically significant.

aMajor adverse cardiac events is a composite of all-cause death, any myocardial infarction, emergent coronary artery bypass surgery, and clinically indicated target lesion revascularization.

bTarget vessel failure is a composite of cardiac death, target vessel–related myocardial infarction, and clinically indicated target vessel revascularization.

cAt 30-days, no multivariable analysis was performed as the number of events was low.

Table 2

Clinical outcomes at 30 days and 1- and 2-years for myocardial infarction patients with premature or non-premature coronary artery disease

Premature coronary artery disease
VariableYes (n = 582)No (n = 2741)HR (95% CI)Plog-rankAdjusted HR (95% CI)cPlog-rank
30 days
Major adverse cardiac eventsa1 (0.2)43 (1.6)0.11 (0.02–0.79)0.008
Target vessel failureb2 (0.3)42 (1.5)0.22 (0.05–0.92)0.023
All-cause death012 (0.5)
 Cardiac death09 (0.3)
Any myocardial infarction026 (1.0)
 Target vessel–related myocardial infarction023 (0.8)
Target vessel revascularization2 (0.3)16 (0.6)0.59 (0.14–2.56)0.47
 Target lesion revascularization1 (0.2)11 (0.4)0.43 (0.06–3.31)0.40
1 year
Major adverse cardiac eventsa10 (1.7)107 (3.9)0.44 (0.23–0.83)0.0100.50 (0.26–0.96)0.037
Target vessel failureb11 (1.9)101 (3.7)0.51 (0.27–0.95)0.0030.56 (0.30–1.05)0.07
All-cause death2 (0.3)48 (1.8)0.20 (0.05–0.80)0.0120.24 (0.06–0.98)0.046
 Cardiac death1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.22 (0.03–1.60)0.13
Any myocardial infarction1 (0.2)31 (1.1)0.15 (0.02–1.11)0.0310.17 (0.02–1.28)0.08
 Target vessel–related myocardial infarction1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.21 (0.03–1.54)0.12
Target vessel revascularization11 (1.9)60 (2.2)0.86 (0.45–1.63)0.640.90 (0.47–1.73)0.76
 Target lesion revascularization9 (1.6)38 (1.4)1.10 (0.54–2.30)0.781.27 (0.61–2.66)0.53
2 years
Major adverse cardiac eventsa21 (3.6)164 (6.0)0.60 (0.38–0.94)0.0240.72 (0.49–1.06)0.10
Target vessel failureb21 (3.6)136 (5.0)0.72 (0.45–1.14)0.200.95 (0.64–1.41)0.81
All-cause death3 (0.5)76 (2.8)0.19 (0.06–0.59)<0.0010.16 (0.05–0.50)0.002
 Cardiac death1 (0.2)33 (1.2)0.14 (0.02–1.04)0.0250.13 (0.02–0.97)0.047
Any myocardial infarction9 (1.6)53 (1.9)0.79 (0.39–1.60)0.511.03 (0.56–1.87)0.94
 Target vessel–related myocardial infarction6 (1.0)40 (1.5)0.70 (0.30–1.65)0.410.78 (0.35–1.74)0.55
Target vessel revascularization20 (3.5)85 (3.2)1.10 (0.68–1.79)0.711.38 (0.90–2.10)0.14
 Target lesion revascularization15 (2.6)57 (2.1)1.23 (0.70–2.18)0.471.48 (0.90–2.46)0.12
Premature coronary artery disease
VariableYes (n = 582)No (n = 2741)HR (95% CI)Plog-rankAdjusted HR (95% CI)cPlog-rank
30 days
Major adverse cardiac eventsa1 (0.2)43 (1.6)0.11 (0.02–0.79)0.008
Target vessel failureb2 (0.3)42 (1.5)0.22 (0.05–0.92)0.023
All-cause death012 (0.5)
 Cardiac death09 (0.3)
Any myocardial infarction026 (1.0)
 Target vessel–related myocardial infarction023 (0.8)
Target vessel revascularization2 (0.3)16 (0.6)0.59 (0.14–2.56)0.47
 Target lesion revascularization1 (0.2)11 (0.4)0.43 (0.06–3.31)0.40
1 year
Major adverse cardiac eventsa10 (1.7)107 (3.9)0.44 (0.23–0.83)0.0100.50 (0.26–0.96)0.037
Target vessel failureb11 (1.9)101 (3.7)0.51 (0.27–0.95)0.0030.56 (0.30–1.05)0.07
All-cause death2 (0.3)48 (1.8)0.20 (0.05–0.80)0.0120.24 (0.06–0.98)0.046
 Cardiac death1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.22 (0.03–1.60)0.13
Any myocardial infarction1 (0.2)31 (1.1)0.15 (0.02–1.11)0.0310.17 (0.02–1.28)0.08
 Target vessel–related myocardial infarction1 (0.2)27 (1.0)0.17 (0.02–1.28)0.0510.21 (0.03–1.54)0.12
Target vessel revascularization11 (1.9)60 (2.2)0.86 (0.45–1.63)0.640.90 (0.47–1.73)0.76
 Target lesion revascularization9 (1.6)38 (1.4)1.10 (0.54–2.30)0.781.27 (0.61–2.66)0.53
2 years
Major adverse cardiac eventsa21 (3.6)164 (6.0)0.60 (0.38–0.94)0.0240.72 (0.49–1.06)0.10
Target vessel failureb21 (3.6)136 (5.0)0.72 (0.45–1.14)0.200.95 (0.64–1.41)0.81
All-cause death3 (0.5)76 (2.8)0.19 (0.06–0.59)<0.0010.16 (0.05–0.50)0.002
 Cardiac death1 (0.2)33 (1.2)0.14 (0.02–1.04)0.0250.13 (0.02–0.97)0.047
Any myocardial infarction9 (1.6)53 (1.9)0.79 (0.39–1.60)0.511.03 (0.56–1.87)0.94
 Target vessel–related myocardial infarction6 (1.0)40 (1.5)0.70 (0.30–1.65)0.410.78 (0.35–1.74)0.55
Target vessel revascularization20 (3.5)85 (3.2)1.10 (0.68–1.79)0.711.38 (0.90–2.10)0.14
 Target lesion revascularization15 (2.6)57 (2.1)1.23 (0.70–2.18)0.471.48 (0.90–2.46)0.12

Data are n (%), unless otherwise indicated.

Italic values are statistically significant.

aMajor adverse cardiac events is a composite of all-cause death, any myocardial infarction, emergent coronary artery bypass surgery, and clinically indicated target lesion revascularization.

bTarget vessel failure is a composite of cardiac death, target vessel–related myocardial infarction, and clinically indicated target vessel revascularization.

cAt 30-days, no multivariable analysis was performed as the number of events was low.

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