marginally non-significantp = 0.071
Multiple linear regression revealed diabetes mellitus as a significant negative predictor of RMP-VFI ( β = −24.6, 95% CI: −44.47, −4.75; p = 0.017), with spared V5 showing a positive but marginally non-significant association ( β = 17.5, 95% CI: −1.61, 36.66; p = 0.071).