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Table 1 Clinical characteristics of patients with PD and ET

From: Combination of olfactory test and substantia nigra transcranial sonopraphy in the differential diagnosis of Parkinson’s disease: a pilot study from China

 

PD (n = 37)

ET (n = 26)

P value

Age, years

63.8 ± 8.7

59.1 ± 12.3

0.104

Gender (male/female)

26/11

14/12

0.183

Duration, years

3.6 ± 3.1

12.0 ± 10.8

0.000

MMSE

27.5 ± 2.2

27.9 ± 1.4

0.407

SS-16

8.6 ± 2.9

12.2 ± 1.6

0.000

UPDRS-III

17.8 ± 12.3

-

 

H &Y stage

   

1–2

28

-

 

2.5–4

9

-

 

Olfactory dysfunction

  

0.000

SS-16 < 9.5

23

1

 

SS-16 > 9.5

14

25

 

SN hyperechogenicity

  

0.006

Positive

18

4

 

Negative

19

22

 
  1. PD Parkinson’s disease, ET Essential tremor, SS-16 the 16-item odor identification test from Sniffin’ Sticks, SN Substantia nigra.
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Translational Neurodegeneration

ISSN: 2047-9158

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