Table 4 Multivariate analysis with PDQ-39 as dependent variable and the most relevant predictor variables as independent variables.

From: Patient and caregiver outcomes with levodopa-carbidopa intestinal gel in advanced Parkinson’s disease

Variable

with Variable

Coefficient

Standard Error

P value

PDQ-39

NMSS total

0.17

0.06

0.0072

PDQ-39

PFS-16

4.91

1.96

0.0166

PDQ-39

BDI-II

0.21

0.24

0.3911

PDQ-39

SQCL

−0.21

0.24

0.0148

  1. PDQ-39 Parkinson’s Disease Questionnaire 39-item, NMSS Nonmotor symptom scale, PFS-16 Parkinson’s fatigue scale 16-item, BDI-II Beck depression inventory-II, SQCL Scale of Quality of Life of Caregivers.