a marginal trendp = 0.052
After adjustment for age, sex, and BMI in Model 2, the negative association between tunnel length and ALPS index remained significant (β = −0.017, 95% CI: −0.028 to −0.006, p = 0.003), whereas the association for tunnel diameter showed a marginal trend (β = −0.024, 95% CI: −0.048 to 0.000, p = 0.052).