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Table 1 Basic characteristics regarding gender, age, comorbidities, renal function and natriuretic peptides

From: Factors affecting hospitalization and mortality in a retrospective study of elderly patients with heart failure

 

HFrEF

HFmrEF

HFpEF

HFndEF

Total

P-value

Total, n (%)

507 (16)

474 (15)

764 (24)

1389 (44)

3134 (100)

 

Gender

      

Women, n (%)1

197 (42)

765 (55)

420 (55)

187 (37)

1569 (50)

< 0.0011

Age groups

      

76–85 years, n (%)

329 (65)

302 (64)

463 (61)

615 (44)

1709 (55)

< 0.0011

86–95 years, n (%)

178 (35)

172 (36)

301 (39)

774 (56)

1425 (46)

 

Age years, mean (SD)2

83.4 (5.2)

83.5 (4.9)

84.0 (5.0)

86.1 (5.1)

84.7 (5.2)

< 0.0012

Comorbidities

      

Hypertension, n (%)

348 (69)

371 (78)

623 (82)

1073 (77)

2415 (77)

0.221

IHD, n (%)

310 (61)

252 (53)

258 (34)

502 (36)

1322 (42)

< 0.0011

CVI, n (%)

77 (15)

86 (18)

126 (17)

284 (20)

573 (18)

0.0021

Atrial fibrillation, n (%)

259 (51)

284 (60)

416 (55)

696 (50)

1655 (53)

0.0021

Diabetes, n (%)

118 (23)

100 (21)

162 (21

300 (22)

680 (22)

0.811

COPD, n (%)

61 (12)

71 (15)

114 (15)

207 (15)

453 (15)

0.421

Origin of diagnosis

      

In-patient care

353 (70)

266 (56)

354 (46)

698 (50)

1671 (53)

< 0.0011

Out-patient care

60 (12)

66 (14)

57 (8)

41 (3)

224 (7)

 

Emergency department

24 (5)

31 (7)

56 (7)

88 (6)

199 (6)

 

Primary care

70 (14)

111 (23)

297 (39)

562 (41)

1040 (33)

 

Kidney function

      

eGFR ml/min, mean (SD)

49.5 (16.4)

49.7 (15.5)

50.1 (16.1)

48.6 (17.2)

49.4 (16.6)

0.082

> 60 ml/min, n (%)

142 (28)

128 (27)

248 (33)

402 (29)

920 (29)

0.031

30–60 ml/min, n (%)

298 (59)

295 (62)

427 (56)

778 (56)

1798 (57)

 

< 30 ml/min, n (%)

67 (13)

51 (11)

89 (12)

209 (15)

416 (13)

 

eGFR missing

0

0

0

0

0

 

NT-proBNP levels

      

NT-proBNP ng/l, mean (SD)

9135 (11,697)

4957 (7438)

3715 (6105)

5051 (9271)

5397 (8968)

< 0.0012

HF unlikely, n (%)

9 (2)

24 (5)

56 (7)

127 (9)

216 (7)

< 0.0011

Grey zone, n (%)

101 (20)

142 (30)

287 (38)

423 (31)

953 (30)

 

HF likely, n (%)

370 (73)

274 (58)

375 (49)

577 (42)

1596 (51)

 

Missing, n (%)

27 (5)

34 (7)

46 (6)

262(19)

369 (12)

 
  1. Note HFrEF = heart failure with reduced ejection fraction, HFmrEF = heart failure with mildly reduced ejection fraction, HFpEF = heart failure with preserved ejection fraction, HFndEF = heart failure with no defined ejection fraction, n = number, SD = standard deviation, IHD = Ischemic heart disease, CVI = cerebrovascular insult, COPD = chronic obstructive pulmonary disease, eGFR = estimated glomerular filtration rate (ml/min), NT-proBNP = natriuretic terminal pro brain natriuretic peptide, HF = Heart failure
  2. 1 Pearson Chi-Square
  3. 2 One-way ANOVA