Table 1.
Demographic data of subjects with low and high olfaction
| Low olfaction (n = 122) | High olfaction (n = 109) | p-value | |
|---|---|---|---|
| Age (yrs) | 71.2 ± 7.5 | 67.0 ± 8.3 | 0.001 |
| Gender distribution (% men) | 54.9 | 40.4 | 0.034 |
| Onset age (yrs) | 68.1 ± 8.4 | 64.4 ± 9.0 | 0.001 |
| Symptom duration (yrs) | 3.1 ± 3.2 | 2.6 ± 3.0 | 0.236 |
| Years of education (yrs) | 8.8 ± 5.5 | 8.1 ± 5.3 | 0.321 |
| MMSE score | 24.9 ± 4.3 | 26.1 ± 3.5 | 0.017 |
| BDI score | 17.2 ± 10.6 | 15.9 ± 10.2 | 0.351 |
| UPDRS motor score | 28.2 ± 13.8 | 26.7 ± 14.3 | 0.465 |
Data are expressed as means ± SDs. MMSE: Mini-Mental State Examination, BDI: Beck Depression Inventory, UPDRS: Unified Parkinson Disease Rating Scale.