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Table 3 Left ventricular function assessment across NYHA classes

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

Variables NYHA II NYHA III NYHA IV p value
Mean ejection fraction1 65.48 ± 16.38 53.69 ± 15.59 37.92 ± 14.35 <0.001
Mean end-diastolic volume1 91.50 ± 62.77 160.33 ± 76.42 233.73 ± 98.27 <0.001
Mean Tei index1 0.59 ± 0.14 0.79 ± 0.12 1.15 ± 0.30 <0.001
  1. 1Mean ± standard deviation; NYHA, New York Heart Association.