Table 1 Baseline characteristics of the included studies.

From: N-terminal pro-brain natriuretic peptide and cardiovascular or all-cause mortality in the general population: A meta-analysis

Author/year

Region

Study name

Design

Sample sizes (% male)

Age (years)

NT-proBNP comparison

Follow-up (years)

No. death/HR (95% CI)

Adjustment for variables

Overall NOS

Kistorp et al.7

Denmark

Population-based prospective study

626 (42.3)

67.9 ± 10.6

>80th percentile vs. others; >655.4 pg/ml vs. ≤655.4 pg/ml

5

Total death:94 1.96 (1.21–3.19)

Age, sex, current smoking, DB, hypertension and ischemic heart disease, TC, and creatinine

8

Laukkanen et al.8

Finland

KIHD

Prospective study

905 (100)

55.8 ± 6.6

>90th percentile vs. others; >133.4 pmol/L vs. ≤133.4 pmol/L

9.8

CV death:58; 2.3 (1.23–4.23); Total death:110; 2.01 (1.23–3.29)

Age, smoking, DB, SBP, family history of CHD, presence or absence of CHD, BMI, LDL, HDL, CRP, creatinine, and antihypertensive drugs.

7

März et al.16

Germany

LURIC

Prospective study

506 (NP)^

61.1 ± 10.8

Tertile 3 vs. tertile 1; ≥400 ng/L vs. <100 ng/L

5.45

CV death:16 8.93 (0.97–82.28); Total death:32; 1.88 (0.53–6.64)

Age, sex, DB, CRP, BMI, smoking, hypertension, dyslipidemia, eGFR, presence or absence of CAD on angiography, previous MI, use of beta-blockers, ACEIs, ARBs, CCBs, diuretics, antiplatelet drugs, lipid-lowering agents, revascularization at baseline, and LV function

6

Zethelius et al.9

Sweden

ULSAM

Prospective community-based study

661 (100) #

71 ± 0.6

Cutoff value; >309 ng/liter vs. ≤309 ng/liter

10.0

CV death:54 4.69 (2.53–8.72); Total death:149; 2.50 (1.60–3.89)

Age, SBP, use or non use of antihypertensive or lipid- lowering agent, TC, HDL, DB, smoking, and BMI

8

deFilippi et al.10

USA

CHS

Prospective community-based study

2,975 (40.6)

72.7 ± 5.5

Quintile 5 vs. quintile 1; >267.7 pg/ml vs. <47.5 pg/ml

11.9

CV death:539 3.02 (2.36–3.86)

Age, sex, race, smoking, TC, HDL, SBP, hypertension., DB, BMI, CHD, renal function, any major ECG abnormality, use of ACEIs/ARBs, beta-blockers, and diuretics

7

McKie et al.17

USA

REP

Prospective community-based cohort

703 (47)*

56 ± 7

>80th percentile vs. others; >196 pg/ml for women and >125 pg/ml for men.

10

Total death:19 1.06 (0.24–4.74)

Age, sex, and BMI.

5

Doi et al.11

Japan

Hisayama

Population-based prospective study

3,104 (42.0)

61.3 ± 12.4

Quintile 4 vs. quintile 1; ≥400 pg/ml vs. <55 pg/ml

5

CV death:48 12.87 (2.44–67.75)

Age, sex, SBP, electrocardiogram abnormalities, eGFR., BMI, DB, TC, HDL, smoking, alcohol, and regular exercise

7

Wannamethee et al.12

UK

BRHS

Prospective study

2,983 (100)

60–79

Quintile 4 vs. quintile 1; ≥151 pg/ml vs. ≤40 pg/ml

9

CV death:223 2.64 (1.56–4.47); CHD death:119 1.98 (1.01–3.93)

Age, smoking, physical activity, alcohol intake, BMI, SBP, HD, TC, FEV1, DB, CRP, anemia, atrial fibrillation, and eGFR

8

Oluleye et al.13

USA

ARIC

Prospective cohort study

11,193 (NP)

45–64

Quintile 5 vs. quintile 1; ≥159 pg/ml vs. ≤27.4 pg/ml

9.9

CV death:358 5.10 (3.16–8.22); CHD death:138 2.81 (1.41–5.60); Total death:1,909 2.46 (1.98–3.05);

Age, gender, race, BMI, TC, HDL, diet, sport index, smoking, drinking, hormone use, SBP, antihypertensive medication, DB, FEV1, eGFR., Hs-CRP, and troponin T. (total mortality was adjusted for history of cancer, CVD, stroke, HF, and respiratory disease.

8

van Peet et al.14

The Netherlands

Leiden 85-plus

Prospective cohort study

560 (34)

 ≥ 85

Tertile 3 vs. tertile 1; >649 pg/ml vs. <201 pg/ml in men and >519 pg/ml vs. <204 pg/ml in women

5

CV death:100 5.5 (3.1–10); Total death:258 2.9 (2.1–4.0)

Age, sex, microalbuminuria, eGFR, prevalent CVD, DB, SBP, use of antihypertensive drugs, smoking, BMI, TC, HDL, and lipid medication use.

6

Zhu et al.15

China

Community-based prospective survey

1,499 (42)

61.4 ± 11.4

Quintile 4 vs. quintile 1; ≥81.9 pg/ml vs. <19.8 pg/ml

4.8

Total death:52 3.59 (1.22–8.81)

Age, sex, current smoking, BMI, SBP, DBP, FBG, TC, HDL-C, LDL-C, eGFR, high-sensitivity CRP, and homocysteine.

6

  1. Abbreviations: BMI, body mass index; HR, hazard ratio; CI, confidence interval; NP, not provided; SBP, systolic blood pressure; DBP, diastolic blood pressure; DB, diabetes mellitus; TG, triglyceride; LDL, low-density lipoprotein; HDL, high-density lipoprotein; TC, total cholesterol; CV, cardiovascular; CVD, cardiovascular disease; CHD, coronary heart disease; MI, myocardial infarction; eGFR, estimated glomerular filtration rate; ACR, albumin to creatinine ratio; ACEI, angiotensin converting enzyme inhibitors; CCBs, calcium channel blockers; ARBs, angiotensin receptor blockers; NOS, Newcastle-Ottawa Scale; NT-proBNP, N-terminal prohormone B-type natriuretic peptide; CRP, C-reactive protein; FEV1, forced expiratory volume in 1 second; KIHD, Kuopio Ischemic Heart Disease Risk Factor Study; ARIC, Atherosclerosis Risk in Communities; CHS, Cardiovascular Health Study; BRHS, British Regional Heart Study; REP, Rochester Epidemiology Project; LURIC. Ludwigshafen Risk and Cardiovascular Health Study; ULSAM, Uppsala Longitudinal Study of Adult Men.
  2. #healthy normal individuals; ^No angiographic CAD.