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Table 1 Questionnaire regarding xerostomia and scoring of the severity of xerostomia by patients and healthy controls [41]

From: Oral symptoms and salivary findings in oral lichen planus, oral lichenoid lesions and stomatitis

Category

Patients

n = 49

Healthy controls n = 29

No feeling of dry mouth (score 0)

53. 1%

79.3%

Slight feeling of dry mouth (score 1)

26.5%

20.7%

Severe feeling of dry mouth (score 2)

8.2%

0%

Annoying feeling of dry mouth

making speech difficult (score 3)

12.2%

0%

Difficulty swallowing due to xerostomia

12.2%

0%

Difficulty chewing due to xerostomia

10.2%

0%

Difficulty in eating dry food substances due to xerostomia

32.7%

0%

Taste perception different from normal

28.6%

0%

 -increased taste perception

4.1%

0%

 -decreased taste perception

18.4%

0%

 -no taste perception

4.1%

0%

 -altered taste perception (dysgeusia)

14.3%

0%

  Nocturnal xerostomia

24.5%

13.8% a

  Morning xerostomia

36.7%

24.1%a

  Daytime xerostomia

22.4%

3.4%

  Evening xerostomia

10.2%

0%

  Xerostomia at all times of the day

10.2%

0%

  Waking up due to xerostomia

34.7%

17.2%a

  Duration of xerostomia, years

2,88

2

  1. Number of participants reporting symptoms are given in percentage. aReported to be caused by periodic snoring, in periods without snoring they did not have xerostomia