Parkinson’s Disease / 2012 / Article / Tab 3

Clinical Study

Psychosis Assessment in Early-Stage Parkinson’s Disease: Comparing Parkinson’s Psychosis Questionnaire with the Brief Psychiatric Rating Scale in a Portuguese Sample

Table 3

Correlations between PPQ total score and BPRS scores (total and subscale scores). Spearman’s rank correlation coefficient was used ( ).

PPQ total score

BPRS (total score)0.359;
BPRS (positive symptoms score)0.469;
BPRS (negative symptoms score)0.124;
BPRS (depression/anxiety score)0.205;
BPRS (mania/hostility score)−0.109;

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