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. 2018 Apr 17;107(9):778–787. doi: 10.1007/s00392-018-1245-z

Table 3.

Frequencies of all patients with heart failure identified by the AF1 algorithm by age group, gender and the 4-year periods (each with unique patients per time period)

All patients with heart failure Period
2000–2003 2004–2007 2008–2011 2012–2015
n = 18,167 n = 3100 n = 4244 n = 4905 n = 8197
Sex, n (%)
 Male 10,636 (59) 1772 (57) 2466 (58) 2929 (60) 4945 (60)
 Female 7531 (41) 1328 (43) 1778 (42) 1976 (40) 3252 (40)
Age category, n (%)
 ≤ 45 years 702 (4)
[67% male]
108 (3)
[67% male]
173 (4)
[70% male]
156 (3)
[68% male]
301 (4)
[64% male]
 46–54 years 1294 (7)
[74% male]
167 (5)
[72% male]
287 (7)
[76% male]
317 (6)
[73% male]
589 (7)
[75% male]
 55–64 years 2766 (15)
[73% male]
474 (15)
[73% male]
571 (13)
[77% male]
637 (13)
[74% male]
1268 (15)
[70% male]
 65–74 years 5169 (28)
[67% male]
956 (31)
[65% male]
1262 (30)
[67% male]
1311 (27)
[68% male]
2062 (25)
[68% male]
 > 74 years 9163 (50)
[51% male]
1431 (46)
[46% male]
2004 (47)
[47% male]
2540 (52)
[52% male]
4052 (50)
[54% male]

Data are count (percent). Inpatients with heart failure subdivided by sex and age categories. Some patients were admitted more than once; on average, one patient contributed 1.8 patient cases