Table 1.
Demographics and clinical characteristics.
| Controls |
iRBD |
p-value |
|
|---|---|---|---|
| n = 20 | n = 50 | ||
| Age (years) | 68.1 ± 3.4 | 66.5 ± 6.9 | 0.349 |
| Sex (Male) | 11 (55.0) | 29 (58.0) | 0.819 |
| BMI (kg/m2) | 22.8 ± 2.5 | 24.0 ± 2.7 | 0.122 |
| Education (years) | 14.1 ± 2.3 | 12.2 ± 3.8 | 0.047 |
| Disease duration (years) | – | 7.1 ± 4.6 | |
| RBDQ-HK | 4.1 ± 2.8 | 41.6 ± 18.1 | <0.001 |
| GDS-K | 3.3 ± 3.2 | 8.9 ± 7.1 | 0.001 |
| MoCA-K | 27.4 ± 1.2 | 26.8 ± 2.3 | 0.355 |
| SCOPA-AUT total score | 6.5 ± 5.0 | 12.4 ± 6.9 | <0.001 |
Abbreviation: iRBD, Isolated rapid eye movement sleep behavior disorder; BMI, body-mass index; RBDQ-KR, Korean version of rapid eye movement sleep behavior disorder questionnaire-Hong Kong; GDS-K, Korean version of Geriatric Depression Sacle; MoCA-K, Montreal Cognitive Assessment – Korean; SCOPA-AUT, Scales for Outcomes in Parkinson's Disease-Autonomic questionnaire.