Table 3 Cox proportional hazards analysis evaluating prognostic implication of TyG index in various subgroups

Age (years)

< 65

687

1 (reference)

1.306 (0.870 ~ 1.960)

2.647 (1.828 ~ 3.834)

< 0.001

0.747

≥ 65

666

1 (reference)

1.153 (0.859 ~ 1.549)

2.692 (2.074 ~ 3.496)

< 0.001

Gender

Male

979

1 (reference)

1.169 (0.895 ~ 1.527)

2.071 (1.622 ~ 2.643)

< 0.001

0.318

Female

374

1 (reference)

1.002 (0.606 ~ 1.658)

3.399 (2.214 ~ 5.218)

< 0.001

BMI (kg/m²)

< 24

482

1 (reference)

0.915 (0.570 ~ 1.469)

2.898 (1.926 ~ 4.361)

< 0.001

0.121

≥ 24

871

1 (reference)

1.162 (0.884 ~ 1.528)

2.028 (1.584 ~ 2.595)

< 0.001

Diabetes

Yes

612

1 (reference)

0.902 (0.619 ~ 1.315)

2.172 (1.571 ~ 3.002)

< 0.001

0.083

No

741

1 (reference)

1.274 (0.940 ~ 1.726)

2.345 (1.757 ~ 3.130)

< 0.001

Hypertension

Yes

1026

1 (reference)

1.236 (0.931 ~ 1.640)

2.610 (2.020 ~ 3.372)

< 0.001

0.573

No

327

1 (reference)

0.923 (0.589 ~ 1.447)

1.979 (1.346 ~ 2.910)

< 0.001

Familial CVDs

Yes

366

1 (reference)

1.267 (0.871 ~ 1.842)

1.893 (1.334 ~ 2.685)

< 0.001

0.982

No

987

1 (reference)

0.975 (0.717 ~ 1.325)

2.504 (1.922 ~ 3.261)

< 0.001

LDL-C (mmol/L)

< 1.8

299

1 (reference)

2.007 (1.303 ~ 3.092)

3.907 (2.501 ~ 6.102)

< 0.001

0.015

≥ 1.8

1054

1 (reference)

0.903 (0.681 ~ 1.197)

2.105 (1.649 ~ 2.686)

< 0.001

Multi-vessel disease

Yes

91

1 (reference)

1.497 (0.612 ~ 3.664)

3.509 (1.572 ~ 7.831)

0.004

0.701

No

1262

1 (reference)

1.092 (0.855 ~ 1.395)

2.296 (1.845 ~ 2.858)

< 0.001

Multi-DES implantation

Yes

302

1 (reference)

2.256 (1.456 ~ 3.496)

3.470 (2.356 ~ 5.111)

< 0.001

0.001

No

1051

1 (reference)

0.940 (0.710 ~ 1.245)

2.011 (1.559 ~ 2.593)

< 0.001