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Table 4 Path coefficients for the model showing the effect of cognitive function on QOL

From: The path linking disease severity and cognitive function with quality of life in Parkinson’s disease: the mediating effect of activities of daily living and depression

Path

Path coefficient

p

MMSE

UPDRS II

 − 0.763

 < 0.001

UPDRS II

GDS

0.426

 < 0.001

MMSE

GDS

 − 0.317

0.004

GDS

MCS

 − 1.328

 < 0.001

MMSE

MCS

0.157

0.313

UPDRS II

MCS

0.134

0.234

GDS

PCS

 − 0.340

0.010

MMSE

PCS

0.643

 < 0.001

UPDRS II

PCS

 − 0.715

 < 0.001

  1. MMSE: Mini-Mental State Examination, UPDRS II: Unified Parkinson’s Disease Rating Scale, GDS: Geriatric Depression Scale, PCS: physical component summary, MCS: mental component summary