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. 2025 Jun 6;39(4):e70095. doi: 10.1111/jvim.70095

TABLE 3.

Comparison of the magnetic resonance imaging measurements from the initial and repeat MRI using the Wilcoxon signed‐rank test in 23 dogs diagnosed with suspected MUO.

Initial MRI Repeat MRI p value and Z value
Median (IQR) TPBV (mm3) 74 841 (60390–85 756) 73 020 (60560–78 066)

p < 0.001

Z = −3.59
Median (IQR) ITr 17% (15–17.6) 14% (12.6–16.1)

p = 0.003

Z = −2.99
Median (IQR) LVr 16% (12.6–21.2) 20% (14.4–24.4)

p = 0.004

Z = −2.91
Median (IQR) ITr/LVr 112% (69.5–134.7) 72% (50–113.2)

p = 0.004

Z = −2.86
Median (IQR) BCR 11% (9.9–13.9) 13% (12–14.8)

p = 0.04

Z = −2.05

Abbreviations: BCR, bicaudate ratio; IQR, interquartile range; ITr, interthalamic adhesion thickness to brain height ratio; ITr/LVr, interthalamic adhesion thickness/brain height to lateral ventricle/brain height ratio; LVr, lateral ventricle to brain height ratio; MRI, magnetic resonance imaging; TBPV, total brain parenchymal volume.