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Table 3 Improvement in risk prediction by adding TYG index to risk factors and clinical models

From: Association between triglyceride glucose index and worsening heart failure in significant secondary mitral regurgitation following percutaneous coronary intervention

 

NRI [95% CI]

P value

IDI [95% CI]

P value

Δ in C-statistics

P value

5-year worsening HF

ProBNP

0.19 (0.03–0.29)

 < 0.001

0.02 (0.01–0.06)

 < 0.001

0.01

 < 0.001

LVEF

0.21 (0.06–0.31)

0.01

0.02 (0.00–0.05)

0.01

0.05

 < 0.001

hs-cTnT

0.19 (0.01–0.28)

0.01

0.02 (0.01–0.05)

 < 0.001

0.03

 < 0.001

MUSIC Risk score

0.24 (0.06–0.33)

 < 0.001

0.03 (0.00–0.06)

 < 0.001

0.03

 < 0.001

5-year MACE

ProBNP

0.09 (− 0.03–0.18)

0.09

0.01 (0.00–0.03)

0.03

0.01

0.03

LVEF

0.07 (− 0.03–0.16)

0.189

0.01 (0.00–0.02)

0.06

0.02

0.03

hs-cTnT

0.05 (− 0.05–0.16)

0.289

0.01 (0.00–0.03)

0.109

0.04

0.04

GRACE score in ACS

0.06 (− 0.06–0.17)

0.299

0.01 (− 0.00–0.03)

0.100

0.00

0.105

  1. Δ difference, IDI integrated discrimination improvement, NRI net reclassification index