Table 2.
Demographic variables of patients with CSF in the PD-OD and PD-NOD groups.
| PD-NOD group | PD-OD group | p | ||
|---|---|---|---|---|
| (n = 24) | (n = 52) | |||
| Gender | 0.131 | |||
| Male [case (%)] | 8 (33.3%) | 27 (51.9%) | ||
| Female [case (%)] | 16 (66.7%) | 25 (48.1%) | ||
| Age [years (mean ± SD)] | 60.00 ± 12.27 | 60.69 ± 11.65 | 0.743 | |
| Age of onset [(mean ± SD)] | 56.70 ± 12.33 | 57.40 ± 11.74 | 0.814 | |
| Disease duration [years, median (Q1, Q3)] | 2.75 (1.0, 4.0) | 3.0 (1.32, 4.75) | 0.577 | |
| Educational level [case (%)] | 0.821 | |||
| Primary school and below | 11 (45.8%) | 27 (52.0%) | ||
| Middle school | 9 (37.5%) | 19 (36.5%) | ||
| College and above | 4 (16.7%) | 6 (11.5%) | ||
| Smoking rate [case (%)] | 7 (29.2%) | 23 (44.2%) | 0.212 | |
| LEDD [mg, median (Q1, Q3)] | 100 (0.0, 393.75) | 287.5 (0.0, 487.5) | 0.652 | |
SD, standard deviation; Q1, first quartile; Q3, third quartile; PD-OD, Parkinson disease with olfactory dysfunction; PD-NOD, Parkinson disease with no olfactory dysfunction; CSF, cerebrospinal fluid; LEDD, levodopa equivalent daily dose.