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Table 1 Patient characteristics

From: Effectiveness of late gadolinium enhancement to improve outcomes prediction in patients referred for cardiovascular magnetic resonance after echocardiography

Variable Reproducibility cohort Contemporaneous echocardiography cohort
  Frequency or median (interquartile range) N = 1044 Frequency or median (interquartile range) N = 444
Demographics   
Age (years) 54 (42–65) 55 (44–65)
Female 41% 36%
White race 88% 88%
Black race 8.5% 8.1%
General Indication for CMR exam   
Known or suspected cardiomyopathy 31% 36%
Possible coronary disease (stress testing or viability) 31% 30%
Vasodilator stress testing 17% 17%
Evaluation for arrhythmia substrate 21% 25%
Mass or thrombus 3% 3%
Hospitalization status   
Inpatient 33% 36%
Comorbidity   
Hypertension 45% 51%
Diabetes 17% 19%
Dyslipidemia 35% 37%
Current cigarette smoking 15% 20%
Atrial fibrillation or flutter 6% 8%
Body mass index (kg/m2) 28.1 (24.4-33.4) 28.1 (24.1-33.2)
Obstructive coronary artery disease (>70% by angiography) 19% 20%
Prior coronary bypass 8% 8%
Prior percutaneous coronary intervention 14% 15%
Prior heart failure documented in medical records 18% 22%
Laboratory, CMR, or Echocardiography data   
Glomerular filtration rate (mL/min/1.73 m2) 82 (66–102) 81 (66–105)
Ejection fraction by echocardiography (%) 58 (34–63) 58 (38–63)
Ejection fraction by CMR (%) 58 (47–65) 55 (38–63)
Late gadolinium enhancement (LGE) 42% 52%
Myocardial infarction by LGE 19% 22%