Table 2.
Cut-points used to define preserved ejection fraction in selected studies.
| Author, reference | Study | EF cut-off |
|---|---|---|
| Yusuf, 2003 Lancet [121] | CHARM Preserved trial | 40% |
| Lenzen, 2004 EHJ [122] | Euro HF survey | 40% |
| Paulus 1998 EHJ [122] | EPICA Study | 45% |
| Bhatia, 2006 NEJM [123] | EFFECT Study | >50 vs. <40 |
| Zile, 2004 NEJM [28] | Multicenter study | >50% |
| Varadarajan, 2003 J Card Failure [124] | Single center hospital-based study | ≥55% |
| Kitzman, J. AM. MED. ASSOC.2002 [25] | Cardiovascular Health Study | ≥50% |
| Cortina, 2001 Am. J. Cardiol. [125] | Asturias | ≥50% |
| Devereux 2000 Am. J. Cardiol. [97] | Strong Heart Study | >54% |
| Vasan 2000 Circulation [14] | Framingham Heart Study | >50% |