Table 3 Association of the TyG index with stenosis distribution

Anterior circulation stenosis (n = 403)

TyG index

1.30(0.96–1.75)

0.093

1.34(0.98–1.81)

0.064

1.35(0.99–1.85)

0.057

1.84(0.95–2.93)

0.059

TyG index tertiles

T1 (n = 61)

reference

reference

reference

reference

T2 (n = 45)

1.32(0.84–2.07)

0.234

1.35(0.86–2.13)

0.195

1.38 (0.87–2.19)

0.167

1.36(0.83–2.21)

0.219

T3 (n = 37)

1.57(0.97–2.51)

0.064

1.64(1.01–2.64)

0.043

1.67(1.03–2.71)

0.038

1.89(1.03–3.47)

0.039

p for trend

1.26(0.99–1.59)

0.059

1.28(1.01–1.63)

0.040

1.30(1.02–1.65)

0.035

1.37(1.02–1.85)

0.038

Posterior circulation stenosis (n = 179)

TyG index

1.68(1.18–2.39)

0.004

1.87(1.29–2.72)

0.001

1.78(1.22–2.60)

0.003

2.17(1.23–3.84)

0.008

TyG index tertiles

T1 (n = 138)

reference

reference

reference

reference

T2 (n = 134)

1.54(0.90–2.64)

0.115

1.82(1.04–3.19)

0.036

1.64(0.93–2.91)

0.089

1.56(0.86–2.83)

0.144

T3 (n = 131)

2.26(1.31–3.90)

0.003

2.78(1.57–4.94)

< 0.001

2.59(1.44–4.65)

0.002

2.67(1.27–5.63)

0.010

p for trend

1.51(1.15–1.98)

0.003

1.67(1.25–2.23)

< 0.001

1.61(1.20–2.16)

0.002

1.63(1.12–2.36)

0.010

Combined anterior/posterior circulation stenosis (n = 404)

TyG index

1.55 (1.13–2.13)

0.006

2.06 (1.46–2.90)

< 0.001

1.87 (1.32–2.67)

< 0.001

1.94(1.17–3.22)

0.010

TyG index tertiles

T1 (n = 126)

reference

reference

reference

reference

T2 (n = 139)

1.50(0.95–2.36)

0.083

1.86 (1.14–3.02)

0.013

1.69 (1.02–2.80)

0.041

1.40(0.81–2.39)

0.224

T3 (n = 139)

1.82 (1.13–2.92)

0.013

2.73 (1.63–4.57)

< 0.001

2.41 (1.43–4.18)

0.001

1.94(0.98–3.81)

0.055

p for trend

1.36 (1.07–1.72)

0.012

1.66(1.28–2.15)

< 0.001

1.57 (1.20–2.05)

0.001

1.39(0.99–1.95)

0.054