Research Article
Brief Psychiatric Screening Questionnaire in Parkinson’s Disease
Table 5
Intraclass correlation coefficient of the five questions considered for the BPQ.
| | BPQ items | ICC (95% confidence interval, ) |
| | Question 1 | 0.648 (0.355–0.825, <0.0001) | | Question 2 | 0.772 (0.555–0.891, <0.0001) | | Question 3 | 0.598 (0.281–0.797, 0.0005) | | Question 4 | 0.47 (0.109–0.722, 0.007) | | Question 5 | 0.556 (0.222–0.773, 0.01) |
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