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Table 2 Etiology and ejection fraction of patients with heart failure

From: Relationship between clinically assessed heart failure severity and the Tei index in Nigerian patients

Variables Patients (n = 75)
Etiology n (%)
Systemic hypertension 51 (68.0)
Dilated cardiomyopathy 10 (13.3)
Rheumatic heart disease 9 (12.0)
Congenital heart disease 2 (2.7)
Endomyocardial fibrosis 2 (2.7)
Acute myocardial infarction 1 (1.3)
Mean EF versus TI of patients (t = 3.03, p = 0.003)  
EF ≤ 45% (n = 32) 0.970 ± 0.34
EF > 45% (n = 43) 0.799 ± 0.27
  1. EF, ejection fraction; TI, Tei index.