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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Parkinsonism Relat Disord. 2016 Apr 12;28:36–40. doi: 10.1016/j.parkreldis.2016.04.008

Table 3.

Temporal changes in follow up cases who had hypertrophic olivary degeneration

Unilateral HOD Bilateral HOD p Value
n Durationa (m) n Durationa (m)
Total 20 35 (4–140) 29 25 (1–130) 0.26
 Worsened 2 51 (10–92) 13 23 (3–130)
 Improved 8 45 (10–126) 3 3 (1–29) <0.05b
 Unchanged 10 19 (4–140) 13 32 (1–127)

HOD: hypertrophic olivary degeneration, n: number, m: minutes

a

Median (range)

b

P<0.05 by χ2 test. We revealed that MRI abnormalities in affected ION of unilateral HOD had a tendency to improve (P<0.05), and that of bilateral HOD was likely to worsen (P<0.01) by residual analysis.