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Table 4 Correlations between each of Sniffin Stick test and olfactory bulb volumetry with disease duration and severity among Parkinson disease patients’ group

From: Patterns of olfactory dysfunctions in patients with Parkinson disease

 

Duration

UPDRS-III

r

p

r

p

Threshold

−0.729

< 0.001*

−0.003

0.988

Identification

−0.711

< 0.001*

−0.086

0.638

Discrimination

−0.765

< 0.001*

−0.043

0.814

TDI total score

−0.754

< 0.001*

−0.050

0.786

OBV (mm3)

−0.798

< 0.001*

−0.120

0.514

  1. UPDRD-III unified Parkinson’s disease rating scale–III
  2. *Significant