Table 3 Two-piecewise linear regression and logarithmic likelihood ratio test explained the threshold effect analysis of RFM with gallstone prevalence.

From: Association between relative fat mass and risk of gallstones in adults

RFM

ULR Test

PLR Test

LRT Test

OR (95%CI)

OR (95%CI)

P-value

< 40.99

1.09 (1.07–1.11)

1.06 (1.03–1.08)

0.002

>= 40.99

1.13 (1.10–1.16)

  1. ULR, univariate linear regression; PLR, piecewise linear regression; LRT, logarithmic likelihood ratio test, statistically significant: P < 0.05.
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