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Table 1 Characteristics of study population and comparison with main study population

From: Impaired myocardial perfusion is associated with increasing end-systolic- and end-diastolic volumes in patients with non-ischemic systolic heart failure: a cross-sectional study using Rubidium-82 PET/CT

 

Patients in PET-study (N = 151)

Remaining study population without COPD (N = 819)

P-value

Age (IQR) – yr.

62 (55–69)

63 (55–71)

0.33

Male sex – no. (%)

104 (69)

608 (74)

0.17

Body-mass index (IQR) – kg/m2

26.6 (24.1–29.8)

26.9 (23.9–30.2)

0.71

NT-pro-BNP (IQR) – pg/ml

851 (466–1848)

1220 (618–2274)

< 0.01

eGFR (IQR) – ml/min/ 1.73 m2

78 (63–94)

73 (58–92)

0.03

Left ventricular ejection fraction (IQR) – %

25 (20–31)

25 (20–30)

0.04

Coexisting conditions – no. (%)

 Diabetes mellitus – no. (%)

19 (13)

160 (20)

0.04

 Hypertension

47 (31)

257 (31)

0.94

 Left bundle branch block – no. (%)

83 (60)

480 (65)

0.22

Cause of heart failure – no. (%)

 Idiopathic

118 (78)

615 (75)

0.32

 Valvular

9 (6)

31 (4)

 Hypertension

11 (7)

88 (11)

 Other

13 (9)

85 (10)

Medications – no. (%)

 ACE-inhibitor or ARB

149 (99)

785 (96)

0.09

 Beta blocker

145 (96)

747 (91)

0.05

 Aldosterone receptor antagonist

86 (57)

471 (58)

0.90

 Statins

60 (40)

356 (43)

0.39

 Anticoagulation treatment

54 (36)

314 (38)

0.55

 Acetylsalicylic acid

53 (35)

308 (38)

0.56

Device therapy – no. (%)

 CRT

75 (50)

496 (61)

0.01

  1. COPD chronic obstructive pulmonary disease, IQR interquartile range, NT-proBNP N-terminal pro-brain natriuretic peptide, eGFR estimated glomerular filtration rate, ACE angiotensin-converting enzyme, ARB angiotensin-receptor blocker, CRT cardiac resynchronization therapy. Two-sided P value determined by Wilcoxon two-sample or chi-square test