Table 2 Between-group differences in DTI-ALPS and FW.

From: Association of reduced DTI-ALPS index and increased free water with glymphatic system alterations in noise-induced hearing loss: a neuroimaging study

Characteristic

Group

Mean (SD)

Adj. Mean (SE)

β(95% CI)

F

P

η²p

DTI-ALPS

Mean

NIHL

1.352(0.128)

1.352(0.018)

– 0.073

(– 0.126, – 0.02)

7.407

0.008**†

0.081

HCs

1.423(0.132)

1.425(0.021)

Left

NIHL

1.331(0.126)

1.331(0.018)

– 0.081

(– 0.137, – 0.024)

7.852

0.006**†

0.085

HCs

1.409(0.145)

1.411(0.023)

Right

NIHL

1.374(0.143)

1.372(0.021)

– 0.068

(– 0.128, – 0.009)

5.172

0.026*†

0.058

HCs

1.440(0.146)

1.440(0.023)

FW

NIHL

0.126(0.036)

0.126(0.005)

0.017

(0.003, 0.032)

5.681

0.019*†

0.063

HCs

0.108(0.029)

0.108(0.005)

  1. NIHL: noise-induced hearing loss; HCs: healthy controls; DTI-ALPS: diffusion tensor imaging along perivascular space; FW: free water. Raw data: Mean (SD) = arithmetic mean ± standard deviation. Model estimates: Adj. Mean (SE) = least-squares mean ± standard error from ANCOVA controlling for age and education level. β = adjusted mean difference (NIHL minus HCs). 95%CI = two-sided confidence interval. η²p = effect sizes. Significance: *p < 0.05, **p < 0.01, ***p < 0.001 (all uncorrected); †p < 0.05 (FDR-corrected).
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