Table 2

Proportion of Patients With HF in Different EF Categories Over the Years

Variable1998–1999
(n = 2,338)
2000–2001
(n = 8,148)
2002–2003
(n = 11,902)
2004–2005
(n = 16,675)
2006–2007
(n = 19,673)
2008
(n = 10,273)
EF ≥50%175 (18%)696 (21.4%)1,016 (23.1%)1,440 (25.6%)1,662 (28.8%)825 (30.1%)
EF 40%–49%327 (33.6%)1,098 (33.7%)1,354 (30.8%)1,468 (26.1%)1,451 (25.1%)696 (25.4%)
EF <40%470 (48.4%)1,462 (44.9%)2,027 (46.1%)2,726 (48.4%)2,666 (46.1%)1,216 (44.4%)
Total new HF/period972 (100%)3,256 (100%)4,397 (100%)5,634 (100%)5,779 (100%)2,737 (100%)

Values are n (%).

EF = ejection fraction; HF = heart failure.