Table 3 Threshold effect analysis of Log2-NHHR on HGS.

From: Association between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and hand grip strength in U.S. adults

Model type

log2-NHHR range

Sample size (n)

Adjusted β (95% CI)

P-value

R2

Model 1: Linear regression

All log2-NHHR

6101

−0.28 (−0.31, −0.26)

< 0.0001

0.5543

Model 2:Two-piecewise linear regression

log2-NHHR < 1.74

4169

−0.34 (−0.37, −0.30)

< 0.0001

0.5815

 

log2-NHHR > 1.74

1932

−0.16 (−0.23, −0.10)

< 0.0001

0.5087

Log-likelihood ratio test

   

< 0.0001

 
  1. NHHR the ratio of non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol, log2-NHHR log-transformed value of NHHR, β regression coefficient, 95% CI 95% confidence interval, R² coefficient of determination.
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