Table 2 Statistical analysis of Sniffin Stick test and olfactory bulb volumetry among tremor dominant (group Ia) and postural instability gait difficulty (group Ib) variants of Parkinson disease patients
From: Patterns of olfactory dysfunctions in patients with Parkinson disease
Group Ia (n, 22) | Group Ib (n, 10) | t test | ||
|---|---|---|---|---|
t value | p value | |||
Threshold | 3.77 ± 1.27 | 3.60 ± 1.71 | 0.102 | 0.752 |
Identification | 6.64 ± 1.87 | 6.30 ± 2.41 | 0.186 | 0.669 |
Discrimination | 6.00 ± 1.90 | 5.90 ± 2.47 | 0.016 | 0.901 |
TDI total score | 16.41 ± 4.90 | 15.80 ± 6.48 | 0.087 | 0.770 |
OBV (mm3) | 31.84 ± 4.43 | 33.14 ± 4.98 | 0.548 | 0.465 |