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. 2024 Jan 17;10:1171775. doi: 10.3389/fnut.2023.1171775

TABLE 4.

Two-piecewise linear regression and logarithmic likelihood ratio test explained the threshold effect analysis of WWI index with kidney stone prevalence.

WWI index ULR test
OR (95% CI)
PLR test
OR (95% CI)
LRT test
P-value
<11.02 1.20 (1.12, 1.28) 1.48 (1.29, 1.70) <0.0001
≥11.02 1.07 (0.98, 1.18)

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