Table 4 Analysis of threshold effect and saturation effect.

From: The potential of platelet to high-density lipoprotein cholesterol ratio (PHR) as a novel biomarker for heart failure

PHR

Adjusted β (95% CI), P value

Model 1

 

A straight-line effect

1.24 (1.13, 1.35) < 0.001

Model 2

 

Fold points (K)

281.53

< K-segment effect 1

1.55 (1.27, 1.89) < 0.001

< K-segment effect 2

1.10 (0.97, 1.24) 0.144

Effect size difference of 2 versus 1

0.71 (0.54, 0.94) 0.015

Equation predicted values at break points

4.13 (3.99, 4.27)

Log likelihood ratio tests

0.017

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