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Table 4 Performance of the indices in predicting the incidence of prediabetic phenotypes

From: Elevated triglyceride-glucose (TyG) index predicts incidence of Prediabetes: a prospective cohort study in China

Indices

AUC (95% CI)

Cut-off Point

P

i-IFG (n = 143)

 BMI

0.574 (0.526–0.621)

23.44

0.5784

 WC

  Male (n = 1001)

0.510 (0.479–0.542)

82.00

0.2888

  Female (n = 2146)

0.615 (0.594–0.636)

78.50

0.0858

  TG

0.533 (0.483–0.584)

1.51

<  0.0001

 1/HDL-C

0.571 (0.521–0.620)

0.76

0.5670

 TG/HDL-C

0.551 (0.502–0.601)

1.19

0.6031

 TyG

0.556 (0.507–0.606)

8.75

Ref.

 Mets-IR

0.585 (0.538–0.632)

38.06

0.2296

 FPG

0.716 (0.676–0.757)

5.17

<  0.0001

i-IGT (n = 819)

 BMI

0.549 (0.527–0.571)

25.65

0.0003

 WC

  Male (n = 1178)

0.515 (0.486–0.544)

93.50

0.0170

  Female (n = 2663)

0.561 (0.542–0.580)

77.50

0.0003

 TG

0.592 (0.570–0.613)

1.25

<  0.0001

 1/HDL-C

0.543 (0.521–0.565)

0.68

<  0.0001

 TG/HDL-C

0.587 (0.565–0.609)

0.88

0.0112

 TyG

0.597 (0.575–0.619)

8.45

Ref.

 Mets-IR

0.565 (0.543–0.588)

34.34

0.0023

 FPG

0.551 (0.529–0.573)

5.04

0.0017

CGT (n = 109)

 BMI

0.635 (0.580–0.690)

25.13

0.1052

 WC

  Male (n = 980)

0.623 (0.592–0.654)

90.50

0.5833

  Female (n = 2151)

0.660 (0.639–0.680)

83.50

0.2619

 TG

0.661 (0.611–0.711)

1.24

<  0.0001

 1/HDL-C

0.604 (0.549–0.658)

0.79

0.0011

 TG/HDL-C

0.655 (0.605–0.706)

1.05

0.0014

 TyG

0.682 (0.634–0.730)

8.45

Ref.

 Mets-IR

0.666 (0.612–0.721)

38.48

0.4761

 FPG

0.717 (0.677–0.757)

5.12

0.2787

  1. i-IFG isolated impaired fasting glucose, i-IGT isolated impaired glucose tolerance, CGT combined impaired fasting glucose and impaired glucose tolerance