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Table 1 Demographic data and substantia nigra echogenicity of patients

From: The role of substantia nigra sonography in the differentiation of Parkinson’s disease and multiple system atrophy

 

non-TD PD (n = 147)

MSA-P (n = 86)

P value

Age (y)

62.2 (8.4)

62.3 (7.5)

0.912

Gender (M/F)

104/43

57/29

0.557

Onset age (y)

56.8 (8.9)

58.7 (7.6)

0.096

Disease duration (y)

5.4 (4.4)

3.6 (2.1)

<  0.001*

H-Y stage

2.0 (0.8)

3.5 (1.0)

< 0.001*

SNL (mm2)

24.7 (12.8)

12.2 (13.6)

< 0.001*

  1. Non-TD PD non-tremor dominant Parkinson’s disease, MSA-P multiple system atrophy with predominant parkinsonism, H-Y Hoehn and Yahr, SNL the larger value of bilateral SN hyperechogenicity. Two-sample T test or Chi-square test was applied for the comparisons. *P values below 0.05 were considered significant
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Translational Neurodegeneration

ISSN: 2047-9158

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