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Table 4 Independent predictors of adverse cardiovascular events during follow-up, Cox regression analysis

From: Role of cardiovascular magnetic resonance in the prognosis of patients with myocardial infarction with non-obstructive coronary arteries

Risk factors

Univariable analysis

HR (95% CI)

p value

Multivariable analysis

HR (95% CI)

p value

Age years

1.02 (0.99–1.04)

0.142

1.02 (0.99–1.02)

0.230

Female sex

0.54 (2.27–1.08)

0.080

0.52 (0.24–1.14)

0.104

Clinical presentationa

    

 DCM and/or heart failure

1.25 (0.65–2.43)

0.500

  

 Ventricular arrhythmias

0.93 (0.32–2.70)

0.901

  

 Renal insufficiency

2.23 (1.16–4.31)

0.017

2.19 (1.05–4.55)

0.036

 LVEF

0.98 (0.96–0.99)

0.027

1.00 (0.97–1.03)

0.781

 LVEDVI

1.01 (1.00–1.02)

0.009

1.00 (0.99–1.01)

1.180

Myocardial segments with enhancementb

    

 2 segments

2.26 (0.98–5.19)

0.056

2.32 (0.97–5.83)

0,058

 ≥ 3 segments

2.97 (1.26–6.95)

0.012

2,71 (1.04–7.04)

0,040

 Aspirin

1.32 (0.72–2.44)

0.366

  

 Dual antiplatelet therapy

0.77 (0.42–1.43)

0.417

  

 Oral anticoagulants

1.43 (0.77–2.65)

0.257

  

 Beta-blockers

0.15 (0.62–2.14)

0.663

  

 ACEI/ARB

1.12 (0.58–2.16)

0.370

  

 Statins

0.78 (0.42–1.45)

0.436

  
  1. HR hazard ratio; CI confidence interval; MACE major adverse cardiovascular event; DCM Dilated cardiomyopathy; LVEF left ventricular ejection fraction on cardiac magnetic resonance; LVEDVI left ventricular end-diastolic volume index on cardiac magnetic resonance; ACEI angiotensin converting enzyme inhibitor; ARB angiotensin II receptor blokers
  2. aReference: clinical presentation as ACS
  3. bReference: involvement of a single segment of myocardial enhancement