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Table 1 Baseline demographic and clinical characteristics of the COM participants

From: Validation of a Spanish version of the health-related quality of life (HRQoL) measure for Chronic Otitis Media (COMQ-12)

Characteristic

n

%

Sex, f/ma

105/95

52.5/47.5

Age (Years)b

41.83 (15.26)

40.81 (18.02–85.47)

Socioeconomic status

 Low-income level (Strata 1 and 2)

139

69.5

 Medium income level (Strata 3 and 4)

58

29

 High-income level (Strata 5 and 6)

3

1.5

Educational level

 Primary education (Complete)

33

16.5

 Secondary education

104

52

 Technical degree

34

17

 University education

18

9

 Postgraduate degree

11

5.5

Disease duration (Years)a

26.13 (17.06)

23 (1–63)

Bilateral otitis

86

43

Previous contralateral surgery

6

3

Otoscopic examination—right ear

 Active squamous epithelium (Cholesteatoma)

15

7.5

 Inactive squamous epithelium (Retraction, atelectasis, epidermolysis)

16

8

 Perforated eardrum with discharge (Wet perforation)

56

28

 Dry perforated eardrum

39

19.5

 Healed COM (Neo-tympanum, intact tympanic membrane, tympanosclerosis)

22

11

 Normal otoscopic examination

52

26

Otoscopic examination—left ear

 Active squamous epithelium (Cholesteatoma)

19

9.5

 Inactive squamous epithelium (Retraction, atelectasis, epidermolysis)

14

7

 Perforated eardrum with discharge (Wet perforation)

51

25.5

 Dry perforated eardrum

34

17

 Healed COM (Neo-tympanum, intact tympanic membrane, tympanosclerosis)

20

10

 Normal otoscopic examination

62

31

  1. af/m: female/male
  2. bValues are expressed in Mean (SD) and Median (Range)