Differences in left ventricular ejection fraction using teichholz formula and volumetric methods by cmr: implications for patient stratification and selection of therapy

Table 1

Subjects classified by ejection fraction and number of EF-category changes
No. of Subjects	Normal	Impaired	Severely Impaired
volEF	175	59	28
tEF	139	88	35
Number of EF Category Changes
tEF ≥ 0.55, volEF < 0.55	tEF < 0.55, volEF ≥ 0.55	tEF ≥ 0.35, volEF < 0.35	tEF < 0.35, volEF ≥ 0.35
15	47	4	11

ISSN: 1532-429X