Table 4 Threshold effect analysis of HbA1c on all-cause mortality in CVD patients with diabetes.

From: U-shaped association between HbA1c and all-cause mortality in CVD patients with diabetes

 

Adjusted HR (95%CI)

P value

Fitting by two piecewise Cox proportional risk model

  

Inflection point

6.9%

 

Glycated hemoglobin < 6.9%

0.45 (0.27, 0.75)

0.002

Glycated hemoglobin ≥ 6.9%

1.05 (0.85, 1.29)

0.670

P for Log-likelihood ratio

 

< 0.001