Clinical features and relative factors of constipation in a cohort of Chinese patients with Parkinson's disease

Table 5 Correlations of constipation and different related scale scores

	r	P value
Age	0.255	0.001
Modified Hoehn-Yahr stage	0.172	0.027
NMMS scores	0.361	< 0.001
UPDRS III scores	0.194	0.013
UPDRS total scores	0.221	0.004
PDQ-39 scores	0.237	0.002
HAMD scores	0.238	0.002
HAMA scores	0.207	0.008

NMSS: Non-motor symptoms assessment scales; UPDRS: Unified Parkinson’s disease Rating Scale; PDQ-39: Parkinson’s disease questionnaire-39; HAMD: Hamilton depression scale; HAMA: Hamilton anxiety scale.