Table 4 Two-piecewise logistic regression model analysis results of the threshold relationship between AISI and type 2 diabetes mellitus

Inflection point (K)

0.210

AISI/1000<0.210

6.347 (2.291, 17.587)

< 0.001

AISI/1000>0.210

1.667 (1.294, 2.148)

< 0.001

Log-likelihood ratio

0.019

Stratified by CVD

Yes

Inflection point (K)

0.674

AISI/1000<0.674

15.773 (4.388, 56.695)

< 0.001

AISI/1000>0.674

0.694 (0.088, 5.473)

0.729

Log-likelihood ratio

0.022

No

Inflection point (K)

0.149

AISI/1000<0.149

14.893 (2.219, 99.982)

0.005

AISI/1000>0.149

1.650 (1.291, 2.109)

< 0.001

Log-likelihood ratio

0.028