Table 1 Demographics, clinical characteristics and scores in patients with persistent postural-perceptual dizziness and healthy controls

N

26

33

N/A

Gender (male/female)

0/26

0/33

n.a.

Age (years)

47.27 +/- 10.16

N/A; [29-64]

46.94 +/- 10.13

N/A; [28-65]

0.902

Disease duration (months)

64.73 +/- 65.93

N/A; [5-240]

Caloric testing (deg/s)

88.5 +/- 31.7

91.5; [27.8-157.3]

Normal physical and neuro-otologic examination N (%)

26 (100%)

33 (100%)

n.a.

Serotonergic medication N (%)

7 (26%)

0 (0%)

<0.001**

HADS-A

8.46 +/- 3.85

8; [1–17]

4.33 +/- 3.28

4; [0-15]

<0.001*

HADS-D

5.31 +/- 3.91

5; [1–13]

2 +/- 2.5

1; [0-10]

<0.001*

MSSQ raw

22.18 +/- 13.69

16.75; [4-48]

14.47 +/- 10.14

10; [4-33.88]

0.08*

STAI-S

46.5 +/- 10.98

44.5; 24-66]

32.18 +/- 7.23

32; [21-45]

<0.001*

STAI-T

44.31 +/- 11.07

43.5; [24-63]

32.91 +/- 7.8

31; [22-51]

<0.001*

SSAS

24.81 +/- 7.91

24; [11–40]

22.36 +/- 5.98

22; [12–39]

0.207*

WI

31.65 +/- 10.97

32.5; [14-53]

20.88 +/- 4.79

20; [14–35]

<0.001*

DHI

29.5 +/- 18.89

26; [10-64]

VSS

33 +/- 16.54

33.5; [6-75]