Table 1.
Demographic variables of the PD-OD and PD-NOD groups.
| PD-NOD group | PD-OD group | p | ||
|---|---|---|---|---|
| (n = 63) | (n = 103) | |||
| Gender | 0.14 | |||
| Male [case (%)] | 25 (39.7%) | 53 (51.5%) | ||
| Female [case (%)] | 38 (60.3%) | 50 (48.5%) | ||
| Age [years, (mean ± SD)] | 63.00 ± 12.46 | 62.75 ± 9.98 | 0.891 | |
| Age of onset [(mean ± SD)] | 59.07 ± 12.96 | 58.25 ± 10.44 | 0.664 | |
| Disease duration [years, median (Q1, Q3)] | 3.0 (1.0, 5.0) | 3.0 (2.0, 5.0) | 0.281 | |
| Educational level [case (%)] | 0.415 | |||
| Primary school and below | 25 (39.7%) | 50 (48.5%) | ||
| Middle school | 26 (41.3%) | 41 (39.8%) | ||
| College and above | 12 (19.0%) | 12 (11.7%) | ||
| Smoking rate [case (%)] | 22 (34.9%) | 45 (43.7%) | 0.264 | |
| LEDD [mg, median (Q1, Q3)] | 250 (0.0, 475.0) | 300 (0.0, 568.8) | 0.330 | |
SD, standard deviation; Q1, first quartile; Q3, third quartile; PD-OD, Parkinson disease with olfactory dysfunction; PD-NOD, Parkinson disease with no olfactory dysfunction; LEDD, levodopa equivalent daily dose.