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Table 1 Baseline characteristics of the study population

From: Exploratory factor analysis of the Dizziness Handicap Inventory (German version)

Characteristics of the patients

n= 194

Age (mean [SD], range) (yr)

50.6 (13.6)

21 - 77

Sex (n, [%])

 

   Male

74 (38.1)

   Female

120 (61.9)

Groups of diagnosis (n [%])

 

   UPVD

72 (37.1)

   BPVD

16 (8.2)

   CVD

71 (36.6)

   Multisensory/multifactorial

35 (18.0)

Duration of dizziness or unsteadiness (n [%])

 

   > 1 mo and maximum 6 mo

55 (28.4)

   > 6 mo and maximum 12 mo

25 (12.9)

   > 12 mo

114 (58.8)

Level of disability (n [%])

 

   Little

52 (26.8)

   Moderate

98 (50.5)

   Severe

44 (22.7)

Limitation in activity respectively participation (UCLA; Question 3) (n [%])

 

   No effect at all

14 (7.2)

   Continuing out all activities but with allowance for the dizziness

36 (18.6)

   Continuing most of the activities

78 (40.2)

   Continuing some of the activities

49 (25.3)

   Unable to continue any of the activities

17 (8.8)

DHI-G total scalea

 

   Mean (SD)

44.8 (22.2)

   Median (range)

44 (0 - 93)

Functional subscaleb

 

   Mean (SD)

16.7 (9.7)

   Median (range)

18 (0 - 36)

Physical subscalec

 

   Mean (SD)

13.9 (7.0)

   Median (range)

14 (0 - 28)

Emotional subscaleb

 

   Mean (SD)

14.1 (8.8)

   Median (range)

14 (0 - 36)

HADSd

 

   Mean (SD)

11.5 (7.7)

   Median (range)

10 (0 - 33)

Anxiety subscalee

 

   Mean (SD)

6.3 (4.3)

   Median (range)

6 (0 - 17)

Depression subscalee

 

   Mean (SD)

5.1 (4.2)

   Median (range)

4 (0 - 18)

  1. BPVD indicates bilateral peripheral vestibular dysfunction; CVD, central vestibular dysfunction; DHI-G, Dizziness Handicap Inventory - German version; HADS, Hospital Anxiety Depression Scale; multisensory/multifactorial causes of dizziness; SD, standard deviation; UCLA-DQ, University of California Los Angeles - Dizziness Questionnaire; UPVD, unilateral peripheral vestibular dysfunction;
  2. a Maximum score of the DHI-G: 100 points; higher scores mean more disability
  3. b Maximum scores of the functional and emotional subscale: 36 points
  4. c Maximum score of the physical subscale: 28 points
  5. d Maximum score of the HADS: 42 points; higher scores mean more anxiety or depression
  6. e Maximum scores of the anxiety and depression subscale: 21 points