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Table 2 Study characteristics of the 24 included studies for the detection of diastolic dysfunction

From: Natriuretic peptides for the detection of diastolic dysfunction and heart failure with preserved ejection fraction—a systematic review and meta-analysis

Author, country [Ref.]

Study design

Study setting

Marker (assay)

Patient population

Control population

Age and sex

Patient

Control

Diastolic dysfunction

 Bakowski, EU [20]

Cross-sectional

Secondary

ANP and BNP (RIA)

AMB patients with AF (N = 27)

AMB patients with AF (N = 15)

58.6 ± 8.2 y; 45.2% F*

 

 Bettencourt, EU [76]

Case-control

Tertiary

BNP (RIA)

AMB referrals (N = 17)

Healthy controls (N = 9)

71 (11) y; 52.9% F

65 (7) y; 44.4% F

 Crowson, USA [74]

Case-control

Primary

BNP (FEIA)

Non-RA participants (N = 82)

Non-RA participants (N = 1455)

Non-RA: 61.3 ± 10.1 y; 55%F*

 

 Goto, AS [47]

Cross-sectional

Secondary

BNP (RIA)

AMB CAD patients with AP (N = 91)

AMB CAD patients with AP (N = 189)

67.4 ± 8.2 y; 18.7% F

66.3 ± 8.5 y; 30.7% F

 Grewal, CA + EU [48]

Cross-sectional

Primary

BNP (RIA) and NT-proBNP

AMB HFpEF patients (N = 72)

AMB HFpEF patients (N = 109)

70 ± 10 y; 35% F

65 ± 12 y; 35% F

 Karaca, EU [77]

Case-control

Tertiary

BNP (FEIA)

AMB HTN patients (N = 30)

Healthy controls (N = 20)

53 ± 9.2 y; 40% F

44 ± 4.8 y; 45% F

 Lukowicz, EU [78]

Case-control

Primary

BNP (RIA)

General population (N = 38)

General population with SD (N = 16)

57 ± 10 y; 42% F

57 ± 4 y; 38% F

 Mak, NA [49]

Cross-sectional

Tertiary

BNP (FEIA)

Echo referrals (N = 16)

Echo referrals (N = 84)

64 ± 13 y; 3% F*

 

 Mannacio, EU [50]

Cross-sectional

Tertiary

BNP (FEIA)

Hospitalised patients (N = 25)

Hospitalised patients (N = 14)

67 ± 8.6 y; 31.9% F*

 

 Martos, EU [38]

Cross-sectional

Tertiary

BNP (FEIA)

AMB HTN patients (N = 33)

AMB HTN patients (N = 20)

68 ± 9 y; 24% F

64 ± 10 y; 25% F

 Redfield, USA [22]

Cross-sectional

Primary

BNP (FEIA)

Random residents (N = 137)

Random residents (N = 1817)

Random: 62 ± 11 y; 52% F*

 

 Wei, AS [51]

Cross-sectional

Secondary

BNP (FEIA)

AMB HTN patients (N = 61)

AMB HTN patients (N = 74)

70 ± 10 y; 32% F

66 ± 13 y; 35% F

 Zapata, EU [52]

Cross-sectional

Secondary

BNP (FEIA) and NT-proBNP

ICU patients (N = 50)

ICU patients (N = 36)

Mild DD: 68 ± 11 y; 51% F

57 ± 13 y; 19% F

Moderate DD: 72 ± 5 y, 17% F

Severe DD: 69 ± 9 y; 33% F

 Zuber, EU [53]

Cross-sectional

Tertiary

BNP (FEIA)

AMB patients (N = 7)

AMB patients (N = 129)

64 (range 19–88) y*

 

 Ansari, EU [43]

Cross-sectional

Tertiary

NT-proBNP

AMB HFpEF patients (N = 11)

AMB HFpEF patients (N = 14)

65 (range:22–97) y; 49% F*

 

 Barragan, EU [44]

Cross-sectional

Tertiary

NT-proBNP

AMB DOE patients (N = 45)

AMB DOE patients (N = 37)

61.4 ± 12.7 y; 87% F

43.2 ± 13.2 y; 59% F

 Barutçuoğlu, EU [45]

Cross-sectional

Tertiary

NT-proBNP

AMB HTN patients (N = 122)

AMB HTN patients (N = 119)

55 ± 14 y; 61% F

53 ± 18 y; 67% F

 Corteville, USA [46]

Cross-sectional

Tertiary

NT-proBNP

AMB CHD patients (N = 78)

AMB CHD patients (N = 652)

< 100 pg/mL NT-proBNP: 62 ± 10 y; 19% F*

 

100–500 pg/mL NT-proBNP: 68 ± 10 y; 21% F*

> 500 pg/mL NT-proBNP: 73 ± 10 y; 11% F*

 Kasner, EU [73]

Case-cohort

Tertiary

NT-proBNP

AMB HFpEF patients (N = 107)

AMB patients with chest discomfort (N = 73)

53 (17) y; 40% F

51 (16) y; 43% F

 Mishra, USA [54]

Cross-sectional

Tertiary

NT-proBNP

AMB CKD patients (N = 284)

AMB CKD patients (N = 2384)

Quartiles of NT-proBNP

 

Q1: 54 (12) y; 35% F*

Q4: 62 (10) y; 47% F*

 Mocan, EU [55]

Cross-sectional

Secondary

NT-proBNP (ELISA)

Hospitalised MetS patients (N = 47)

Hospitalised MetS patients (N = 25)

59.2 ± 5.3 y; 64% F*

 

 Ravassa, EU [56]

Cross-sectional

Primary

NT-proBNP (EIA)

General population (N = 186)

General population (N = 541)

51.3 ± 15.4 y; 51.2% F*

 

 Tekten, EU [57]

Cross-sectional

Tertiary

NT-proBNP

AMB HTN patients with DD grade 1 (N = 18) or grade 2 (N = 10)

AMB HTN patients (N = 12)

Grade 1/2:

52 ± 5 y; 67% F

54 ± 8 y; 60% F

51 ± 5 y; 67% F

 Tschöpe, EU [18]

Cross-sectional

Tertiary

NT-proBNP

AMB DOE patients (N = 68)

AMB patients (N = 50)

51 ± 9 y; 46% F

49 ± 10 y; 44% F

  1. Age depicted in mean ± standard deviation, median (IQR) or median (minimum-maximum)
  2. EU Europe, AS Asia, CA Canada, y years, ANP atrial natriuretic peptide, BNP brain natriuretic peptide, RIA radioimmunoassay, AMB ambulatory, F female, AF atrial fibrillation, DD diastolic dysfunction, FEIA fluorescence immunoassay, SD systolic dysfunction, RA rheumatoid arthritis, NT-proBNP N-terminal prohormone of brain natriuretic peptide, CAD coronary artery disease, AP angina pectoris, HFpEF heart failure with preserved ejection fraction, HTN hypertension, ICU intensive care unit, DOE dyspnoeic on exertion, CHD coronary heart disease, CKD chronic kidney disease, Q quartile, MetS metabolic syndrome
  3. *Reported for total study population