Table 4 Correlation between PIGD severity and HVA level in CSF from PIGD group.

From: Phenotype of postural instability/gait difficulty in Parkinson disease: relevance to cognitive impairment and mechanism relating pathological proteins and neurotransmitters

PIGD severity (points)

R

P value

HVA in CSF (ng/mL)

−0.575

0.016*

  1. HVA = homovanillic acid. *P < 0.05.
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