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Table 1 Characteristics of the included cohort studies

From: Triglyceride–glucose index and the incidence of atherosclerotic cardiovascular diseases: a meta-analysis of cohort studies

Study

Country

Design

Characteristics of participants

Number of participants

Mean age (years)

Male (%)

DM (%)

TyG index analysis

Follow-up duration (years)

Outcome validation

Outcomes reported

Variables adjusted

Sanchez-Inigo [19]

Spain

PC

First-time attendee outpatients to an internal medicine department without ASCVDs

5,014

54.4

61.2

5.2

Q5:Q1

8.8

ICD-10

Composite ASCVDs (505), CAD (233), stroke (157), and PAD (74)

Age, sex, BMI, smoking, alcohol intake, lifestyle pattern, HTN, T2DM, antiplatelet therapy, HDL-C, and LDL-C

Salazar [20]

Argentina

PC

Community population without DM or ASCVDs

723

50.3

32.8

0

Q4:Q1–Q3; Continuous

8.2

Clinical evaluation

Composite ASCVDs (42)

Age, sex, smoking, LDL-C, BMI, and aspirin, antihypertensive and lipid-lowering drug use

Su [21]

China

RC

T2DM patients without previous ASCVDs

3,524

61.7

49.1

100

Continuous

5.9

Medical record review

Composite ASCVDs (215)

Age, sex, HTN, BMI, HDL-C, eGFR, antihypertensive and lipid-lowering drug use

Li [18]

China

RC

Participants aged over 60 years without previous ASCVDs who participated in a routine health check-up program

6,078

70.5

53.1

11.8

Q4:Q1; Continuous

5.5

ICD-10

Composite ASCVDs (705), CAD (500), and stroke (234)

Age, sex, living alone, current smoker, alcohol consumption, exercise, BMI, SBP, HDL-C, LDL-C, and T2DM

Hong [23]

Korea

RC

Community population without ASCVDs

5,593,134

53.0

50.5

3.7

Q4:Q1

8.2

ICD-10

Composite ASCVDs (146,744), CAD (62,577), and stroke (89,120)

Age, sex, smoking, alcohol consumption, regular physical activity, low socioeconomic status, BMI, HTN, and TC

Park [24]

Korea

PC

Community population without DM or ASCVDs

16,455

46.1

51.2

0

Q4:Q1

2.4

ICD-10

CAD (322)

Age, sex, BMI, smoking status, alcohol intake, physical activity, mean arterial BP, hs-CRP, CKD, and hypertension medication

Barzegar [22]

Iran

PC

Community population without ASCVDs

7,521

46.7

44.7

13.2

Q4:Q1; Continuous

16.1

Clinical evaluation

Composite ASCVDs (1084), and CAD (924)

Age, sex, WC, BMI, educational level, smoking status, physical activity, family history of CVD, T2DM, HTN, LDL-C, HDL-C, and lipid-lowering drugs

Tian [25]

China

PC

Community population without ASCVDs

98,849

51.8

79.8

3.07

Q4:Q1

11.0

ICD-10

CAD (1555)

Age, sex, education, income, smoking, alcohol abuse, physical activity, BMI, SBP, DBP, HTN, DM, dyslipidemia, antidiabetic drugs, lipid-lowering drugs, antihypertensive drugs, and HDL-C, LDL-C, and hs-CRP levels at baseline

  1. TyG: triglyceride–glucose; DM: diabetes mellitus; PC: prospective cohort; RC: retrospective cohort; T2DM: type 2 diabetes mellitus; ASCVDs: atherosclerotic cardiovascular disease; CVD: cardiovascular disease; ICD-10: International Classification of Diseases, tenth edition; CAD: coronary artery disease; PAD: peripheral artery disease; HTN: hypertension; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; BMI: body mass index; eGFR: estimated glomerular filtrating rate; SBP: systolic blood pressure; BP: blood pressure; DBP: diastolic blood pressure; TC: total cholesterol; hs-CRP: high-sensitivity C-reactive protein; CKD: chronic kidney disease