Table 2 Reference interval of the triglyceride–glucose (TyG) index in the study population according to the LMS method.

From: A population-based study of TyG index distribution and its relationship to cardiometabolic risk factors in children and adolescents

Age

n

L

M

S

Percentile

3rd

5th

10th

15th

25th

50th

75th

85th

90th

95th

97th

All participants

10

814

 − 0.210

8.104

0.064

7.184

7.293

7.465

7.583

7.761

8.104

8.467

8.670

8.811

9.027

9.172

11

895

 − 0.210

8.119

0.063

7.210

7.319

7.488

7.605

7.780

8.119

8.477

8.677

8.816

9.029

9.171

12

882

 − 0.210

8.125

0.062

7.228

7.335

7.502

7.617

7.791

8.125

8.477

8.674

8.811

9.020

9.159

13

913

 − 0.210

8.119

0.061

7.236

7.341

7.506

7.619

7.790

8.119

8.465

8.658

8.793

8.998

9.135

14

929

 − 0.210

8.105

0.060

7.237

7.341

7.503

7.614

7.782

8.105

8.445

8.635

8.768

8.969

9.103

15

800

 − 0.210

8.092

0.060

7.237

7.339

7.499

7.609

7.774

8.092

8.426

8.612

8.742

8.940

9.071

16

752

 − 0.210

8.081

0.059

7.240

7.340

7.498

7.606

7.768

8.081

8.409

8.592

8.720

8.913

9.043

17

762

 − 0.210

8.073

0.058

7.245

7.344

7.499

7.606

7.765

8.073

8.396

8.576

8.701

8.891

9.018

18

657

 − 0.210

8.069

0.057

7.253

7.351

7.504

7.608

7.766

8.069

8.386

8.563

8.686

8.873

8.998

Boys

10

439

 − 0.306

8.025

0.067

7.085

7.196

7.371

7.491

7.673

8.025

8.400

8.611

8.758

8.984

9.136

11

482

 − 0.306

8.038

0.066

7.110

7.220

7.392

7.511

7.690

8.038

8.407

8.614

8.759

8.982

9.131

12

483

 − 0.306

8.051

0.065

7.136

7.244

7.414

7.531

7.708

8.051

8.414

8.618

8.761

8.979

9.126

13

493

 − 0.306

8.064

0.064

7.161

7.268

7.436

7.552

7.726

8.064

8.421

8.622

8.762

8.977

9.121

14

492

 − 0.306

8.076

0.063

7.186

7.292

7.458

7.572

7.744

8.076

8.428

8.626

8.764

8.975

9.116

15

438

 − 0.306

8.089

0.062

7.211

7.315

7.479

7.592

7.761

8.089

8.436

8.630

8.766

8.973

9.112

16

380

 − 0.306

8.102

0.061

7.236

7.339

7.500

7.611

7.779

8.102

8.443

8.635

8.768

8.972

9.108

17

383

 − 0.306

8.115

0.060

7.261

7.362

7.522

7.631

7.796

8.115

8.450

8.639

8.770

8.971

9.105

18

355

 − 0.306

8.127

0.059

7.285

7.386

7.543

7.651

7.813

8.127

8.458

8.644

8.773

8.970

9.102

Girls

10

375

 − 0.381

8.191

0.060

7.339

7.439

7.597

7.706

7.871

8.191

8.530

8.720

8.852

9.053

9.186

11

413

 − 0.381

8.216

0.059

7.369

7.469

7.626

7.734

7.898

8.216

8.553

8.741

8.872

9.071

9.204

12

399

 − 0.381

8.212

0.058

7.373

7.472

7.627

7.734

7.896

8.212

8.545

8.731

8.860

9.057

9.188

13

375

 − 0.381

8.179

0.058

7.351

7.449

7.602

7.708

7.868

8.179

8.507

8.690

8.818

9.012

9.141

14

437

 − 0.381

8.135

0.057

7.319

7.415

7.566

7.671

7.829

8.135

8.458

8.638

8.764

8.954

9.081

15

362

 − 0.381

8.088

0.057

7.285

7.380

7.529

7.631

7.787

8.088

8.406

8.584

8.707

8.894

9.019

16

372

 − 0.381

8.047

0.056

7.256

7.349

7.496

7.597

7.750

8.047

8.360

8.535

8.656

8.841

8.963

17

379

 − 0.381

8.021

0.056

7.239

7.331

7.477

7.577

7.728

8.021

8.330

8.502

8.622

8.804

8.924

18

302

 − 0.381

8.013

0.055

7.240

7.331

7.474

7.573

7.723

8.013

8.319

8.489

8.607

8.787

8.906

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