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Table 3 Comparative unadjusted Cox-regression hazard ratios of death or myocardial infarction in Entire and IPTW populations according to discharge treatment

From: Impact of renin angiotensin system inhibitor on 3-year clinical outcomes in acute myocardial infarction patients with preserved left ventricular systolic function: a prospective cohort study from Korea Acute Myocardial Infarction Registry (KAMIR)

 

Unadjusted

Matched Population

HR (95% CI)

P value

HR (95% CI)

P value

One year clinical outcomes

Primary endpoint (Death or MI)

    

 ACEI vs. ARB

1.449 (1.045–2.008)

0.026

1.384 (1.115–1.717)

0.003

 ACEI vs. No RASI

1.991 (1.384–2.864)

< 0.001

1.637 (1.328–2.019)

< 0.001

 ARB vs. No RASI

1.373 (0.959–1.968)

0.083

1.182 (0.974–1.435)

0.089

All-cause death

    

 ACEI vs. ARB

1.408 (0.932–2.128)

0.103

1.308 (0.999–1.714)

0.051

 ACEI vs. No RASI

2.509 (1.633–3.853)

< 0.001

1.895 (1.473—2.439)

< 0.001

 ARB vs. No RASI

1.781 (1.164–2.725)

0.008

1.448 (1.145–1.831)

0.002

Myocardial infarction: MI

    

 ACEI vs. ARB

1.573 (0.962–2.569)

0.070

1.577 (1.127–2.205)

0.008

 ACEI vs. No RASI

1.259 (0.665–2.384)

0.479

1.351 (0.955–1.911)

0.089

 ARB vs. No RASI

0.800 (0.428–1.494)

0.485

0.856 (0.627–1.169)

0.331

Stroke

    

 ACEI vs. ARB

2.254 (1.308–3.882)

0.003

2.015 (1.391–2.917)

< 0.001

 ACEI vs. No RASI

1.284 (0.602–2.736)

0.516

1.307 (0.873–1.955)

0.192

 ARB vs. No RASI

0.569 (0.281–1.155)

0.119

0.648 (0.459–0.915)

0.014

Three year clinical outcomes

Primary endpoint (Death or MI)

    

 ACEI vs. ARB

1.276 (1.024–1.591)

0.030

1.174 (1.013–1.361)

0.032

 ACEI vs. No RASI

1.470 (1.131–1.910)

0.004

1.225 (1.058–1.419)

0.006

 ARB vs. No RASI

1.151 (0.883–1.501)

0.297

1.043 (0.904–1.202)

0.560

All-cause death

    

 ACEI vs. ARB

1.280 (0.973–1.684)

0.077

1.122 (0.935–1.347)

0.214

 ACEI vs. No RASI

1.681 (1.230–2.297)

0.001

1.335 (1.119–1.593)

0.001

 ARB vs. No RASI

1.312 (0.957–1.800)

0.091

1.189 (1.001–1.414)

0.049

Myocardial infarction: MI

    

 ACEI vs. ARB

1.332 (0.953–1.862)

0.093

1.333 (1.061–1.674)

0.013

 ACEI vs. No RASI

1.141 (0.740–1.758)

0.549

1.099 (0.866–1.394)

0.437

 ARB vs. No RASI

0.856 (0.555–1.322)

0.485

0.824 (0.658–1.031)

0.091

Stroke

    

 ACEI vs. ARB

1.756 (1.180–2.612)

0.005

1.521 (1.175–1.969)

0.001

 ACEI vs. No RASI

1.165 (0.677–2.004)

0.581

1.056 (0.798–1.397)

0.701

 ARB vs. No RASI

0.663 (0.392–1.121)

0.125

0.694 (0.536–0.897)

0.005

  1. RASI, renin angiotensin system inhibitor; IPTW, inverse probability of treatment weighting; ACEI, angiotensin converting enzyme inhibitor; ARB, angiotensin receptor blocker