Table 4 Evaluation of the predictive value of TSH combined with GRACE score for all-cause mortality

Total population

 GRACE score

–

Ref.

–

Ref.

0.732(0.696,0.767)

Ref.

 GRACE score + TSH

0.172(0.057,0.265)

 < 0.001

0.024(0.009,0.054)

 < 0.001

0.742(0.706,0.779)

 < 0.001

High risk group

 GRACE score

–

Ref.

–

Ref.

0.649(0.601,0.697)

Ref.

 GRACE score + TSH

0.239(0.097,0.339)

0.007

0.044(0.014,0.093)

 < 0.001

0.691(0.644,0.737)

 < 0.001

Low / medium risk group

 GRACE score

–

Ref.

–

Ref.

0.710(0.641,0.779)

Ref.

 GRACE score + TSH

0.037(− 0.082,0.173)

0.492

0.001(− 0.001,0.031)

0.555

0.711(0.642,0.781)

0.607