Clinical Features Associated with Frozen Shoulder Syndrome in Parkinson’s Disease

Table 3

Correlation between parameters of shoulder sonography findings and clinical severity in PD patients.

Variable	Thickness of bicipital effusion	Subscapularis thickness	Supraspinatus thickness	Infraspinatus thickness
Age, years	0.175	0.138	0.254	−0.057
Body mass index, kg/m^2	0.124	0.115	0.145	−0.094
Disease duration, years	0.105	0.143	0.166	−0.102
Mini-Mental State Examination	−0.341	−0.123	−0.028	0.030
Striatal dopamine transporter uptake ratios
Contralateral TRODAT ratio	−0.319	−0.081	−0.367	0.122
Ipsilateral TRODAT ratio	0.030	0.139	−0.100	0.105
Levodopa equivalent dose (mg)	0.027	−0.139	−0.003	−0.092
Hoehn and Yahr staging	0.321	0.162	0.055	0.289
Clinical motor state
Ipsilateral motor state
Ipsilateral UPDRS III	0.618	0.386	0.421	0.110
Ipsilateral tremor score	0.521	0.456	0.341	−0.073
Ipsilateral rigidity score	0.574	0.277	0.207	−0.132
Ipsilateral bradykinesia score	0.613	0.400	0.385	0.135
Contralateral motor state
Contralateral UPDRS III	0.255	0.089	0.225	0.066
Contralateral tremor score	0.095	0.140	0.164	0.120
Contralateral rigidity score	0.222	0.022	0.035	0.047
Contralateral bradykinesia score	0.169	0.044	0.174	0.011

Values indicate correlation coefficient.
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PD, Parkinson’s disease; UPDRS, Unified Parkinson’s Disease Rating Scale.