Table 4

Comparison of motor features in PD patients with and without pRBD
pRBD (RBDSQ-J ≥ 5) Non-pRBD (RBDSQ-J < 5) p value
Tremor score 0.4 ± 0.4 0.2 ± 0.3 0.062
Non-tremor score 1.0 ± 0.5 1.0 ± 0.6 0.73
Tremor/non-tremor score 0.5 ± 0.4 0.4 ± 0.6 0.079
Bulbar (% of total UPDRS III) 10.3 ± 6.3 10.8 ± 10.2 0.66
Tremor (% of total UPDRS III) 12.3 ± 9.4 9.6 ± 13.8 0.087
Rigidity (% of total UPDRS III) 22.8 ± 12.5 21.6 ± 14.8 0.54
Bradykinesia (% of total UPDRS III) 40.4 ± 11.4 40.2 ± 15.5 0.71
Gait posture abnormality (% of total UPDRS III) 14.2 ± 9.9 17.8 ± 13.3 0.35
Axial score 11.0 ± 5.6 10.3 ± 6.2 0.65
Limb score 16.2 ± 7.7 13.8 ± 9.7 0.19
Axial/limb ratio 0.7 ± 0.2 0.9 ± 0.5 0.20

PD, Parkinson’s disease; pRBD; probable REM sleep behavior disorder; UPDRS, Unified Parkinson’s Disease Rating Scale. Patients with RLS and snorers were excluded.

Suzuki et al.

Suzuki et al. BMC Neurology 2013 13:18   doi:10.1186/1471-2377-13-18

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