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Table 1 Statistical analysis of olfactory performance among Parkinson disease patients (group I) and healthy control subjects (group II)

From: Patterns of olfactory dysfunctions in patients with Parkinson disease

 

Group I (n, 32)

Group II (n, 24)

t test

t value

p value

Threshold

3.72 ± 1.40

9.38 ± 1.71

13.6

< 0.001*

Identification

6.53 ± 2.02

6.53 ± 2.02

11.878

< 0.001*

Discrimination

5.97 ± 2.06

11.29 ± 1.33

11.047

< 0.001*

TDI total score

16.22 ± 5.34

32.75 ± 3.72

12.976

< 0.001*

OBV (mm3)

32.25 ± 4.57

50.35 ± 3.12

16.702

< 0.001*

  1. OBV olfactory bulb volumetry, TDI threshold, discrimination, identification
  2. *Significant