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Table 1 Summary of Data

From: A novel scale to assess psychosis in patients with parkinson's disease

 

Mean Score in Psychosis Subjects, mean (SD)

Number of questionnaires in Control Subjects with a score of >0 (out of 50 assessments)

Inter-Rater Reliability (95 % CI)a

Intra-Rater Reliability (95 % CI)b

All (N = 71)

Psychosis patients (N = 46)

Psychosis (N = 17)

1. Frequency Visual

3.13 (0.98)

1

0.85 (0.79, 0.91)

0.62 (0.47, 0.77)

0.51 (0.23, 0.80)

2. Frequency Olfactory

0.29 (0.65)

2

0.85 (0.70, 1.00)

0.84 (0.66,1.00)

0.66 (0.47, 0.86)

3. Frequency Auditory

1.16 (1.50)

0

0.76 (0.66, 0.85)

0.72 (0.60, 0.83)

0.68 (0.51, 0.85)

4. Frequency Presence

2.06 (1.41)

4

0.79 (0.71, 0.87)

0.70 (0.58, 0.82)

0.72 (0.54, 0.90)

5. Delusion Assessment

0.97 (1.41)

2

0.64 (0.47, 0.81)

0.59 (0.40, 0.45)

0.65 (0.33, 0.97)

6. Duration of Psychosis

2.66 (0.90)

4

0.82 (0.73, 0.90)

0.59 (0.42, 0.77)

0.46 (0.15, 0.77)

7. Insight

2.03 (0.97)

2

0.75 (0.65, 0.86)

0.58 (0.41, 0.76)

0.65 (0.48, 0.82)

8. Threatening

1.34 (0.60)

0

0.82 (0.73, 0.91)

0.62 (0.43, 0.80)

0.77 (0.47, 1.00)

9. Interaction

1.71 (0.82)

0

0.81 (0.73, 0.90)

0.62 (0.45, 0.80)

0.37 (0.07, 0.66)

10. Family Concern

1.90 (1.42)

0

0.86 (0.78, 0.94)

0.80 (0.68, 0.92)

0.86 (0.73, 0.99)

TOTAL

17.23 (6.30)

7

0.92 (0.89, 0.94)

0.87 (0.80, 0.92)

0.86 (0.80, 0.91)

  1. Weighted kappa statistics for each of 10 specific questions and intra-class correlation coefficients (ICC) for total score were shown as Inter- aand Intra-rater breliability