Research Article

Sicca Symptoms in Parkinson’s Disease: Association with Other Nonmotor Symptoms and Health-Related Quality of Life

Table 2

Multivariable analysis of predictors of health-related quality of life (PDQ-39 summary index).

Overall modelAdjusted R2 = 0.42 ()

Independent variablesΒ
(i) NMS-Quest0.57<0.001
(ii) SAS total0.190.006
(iii) Gender0.140.016
(iv) MDS-UPDRS III0.100.042