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Table 1 Demographics and phenotypic features of our patient population

From: A questionnaire-based (UM-PDHQ) study of hallucinations in Parkinson's disease

Variable

All patients

Non Hallucinators N = 39

Hallucinators N = 31

Gender (%male)

46 (65.7%)

25 (64.1%)

21 (67.7%)

Age at onset in yrs (SD)

55.1 (12.1)

55.8 (11.8)

54.4 (12.5)

Age at exam in yrs (SD)

64.3 (10.2)

64.3 (10.5)

63.9 (10.0)

   Range

39–84

44–83

39–84

Disease Duration in years (SD)

9.0 (5.4)

8.5 (5.3)

9.5 (5.6)

Hoehn and Yahr stage (SD)

2.5 (0.7)

2.4 (0.7)

2.5 (0.7)

(min-max)

1–5

1–5

1.5–4

Hoehn and Yahr 1 (%)

4 (5.7)

4 (10.3)

0

Hoehn and Yahr 1.5 (%)

5 (7.1)

3 (7.7)

2 (6.5)

Hoehn and Yahr 2 (%)

21 (30.0)

12 (30.8)

9 (29)

Hoehn and Yahr 2.5 (%)

23 (32.9)

12 (30.8)

11 (35.5)

Hoehn and Yahr 3 (%)

8 (11.4)

4 (10.3)

4 (12.9)

Hoehn and Yahr 4 (%)

8 (11.4)

3 (7.7)

5 (16.1)

Hoehn and Yahr 5 (%)

1 (1.4)

1 (2.6)

0

UPDRSI*

4.2 (2.7)

3.5 (2.3)

5.3 (2.9)

UPDRSII*

13.6 (7.5)

11.2 (5.9)

17.2 (8.2)

UPDRSIII*

22.1 (10.0)

19.1 (10.3)

26.1 (8.1)

Side of onset

   

Right

37 (52.9%)

21 (53.8%)

16 (51.6%)

Left

27 (38.6%)

16 (41.0%)

11 (35.5%)

Bilateral

5 (71.%)

2 (5.1%)

3 (9.7%)

Unknown

1 (1.4%)

0

1 (3.2%)

Education in yrs (SD)

13.0 (4.4)

12.8 (4.2)

13.2 (4.9)

MMSE score (SD)

25.6 (4.5)

26.1 (4.2)

25.0 (4.7)

(min-max)

10–30

14–30

10–30

BDI (SD)

16.3 (12.7)

15.1 (11.1)

17.9 (14.7)

BAI (SD)

18.7 (11.5)

16.5 (10.2)

21.5 (12.6)

  1. *Statistically significant (p > 0.05)
  2. Yrs: years, SD: Standard deviation, UPDRS: Unified Parkinson's disease rating scale, MMSE: Mini Mental State Exam, BDI: Beck's Depression Inventory, BAI: Beck's Anxiety Inventory