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Table 2 Disease burden among respondents with epidermolysis bullosa simplex (EBS), by age

From: A global, cross-sectional survey of patient-reported outcomes, disease burden, and quality of life in epidermolysis bullosa simplex

 

All, No. (%) (n = 214)

Age 0–9, No. (%) (n = 33)

Age 10–17, No. (%) (n = 26)

Age 18 + , No. (%) (n = 155)

P Value

Clinical characteristics

EBS subtype

    

0.03*

 Localized

94 (43.9)

9 (27.3)

7 (26.9)

78 (50.3)

 

 Intermediate

9 (4.2)

2 (6.1)

1 (3.8)

6 (3.9)

 

 Severe

26 (12.1)

7 (21.2)

6 (23.1)

13 (8.4)

 

 Other or unsure which EBS subtypea

85 (39.7)

15 (45.5)

12 (46.2)

58 (37.4)

 

Self-reported disease severity

    

0.001*

 Mild

82 (38.3)

14 (42.4)

11 (42.3)

57 (36.8)

 

 Moderate

100 (46.7)

8 (24.2)

10 (38.5)

82 (52.9)

 

 Severe

21 (9.8)

8 (24.2)

5 (19.2)

8 (5.2)

 

 Not answered

11 (5.1)

3 (9.1)

0 (0.0)

8 (5.2)

 

Diagnostic confirmation with genetic testing or skin biopsy

63 (29.4)

16 (48.5)

9 (34.6)

35 (22.6)

 < 0.001*

Mean worst pain in past 12 months, ± SD

6.8 ± 2.8

6.5 ± 2.8

6.9 ± 3.3

6.8 ± 2.7

0.64

Mean QOLEB, ± SDb

14.7 ± 7.5

15.3 ± 10.3

16.6 ± 7.5

14.3 ± 7.2

0.75

Body mass indexc

    

 < 0.001*

 Underweight

12 (5.6)

1 (3.0)

4 (15.4)

7 (4.5)

 

 Healthy weight

63 (29.4)

9 (27.3)

11 (42.3)

43 (27.7)

 

 Overweight/obese

81 (37.9)

2 (6.1)

0 (0.0)

79 (51.0)

 

 Not answered

58 (27.1)

21 (63.6)

11 (42.3)

26 (16.8)

 

Clinical manifestations

 Blisters

199 (93.0)

29 (87.9)

26 (100.0)

144 (92.9)

0.21

 Pain

158 (73.8)

22 (66.7)

23 (88.5)

113 (72.9)

0.15

 Itch

118 (55.1)

17 (51.5)

19 (73.1)

82 (52.9)

0.15

 Difficulty walking

94 (43.9)

8 (24.2)

12 (46.2)

74 (47.7)

0.04*

 Constipation

91 (42.5)

15 (45.5)

12 (46.2)

64 (41.3)

0.84

 Nail problems

84 (39.3)

15 (45.5)

14 (53.8)

55 (35.5)

0.15

 Infections

74 (34.6)

11 (33.3)

13 (50.0)

50 (32.3)

0.24

 Dental caries

54 (25.2)

5 (15.2)

11 (42.3)

38 (24.5)

0.07

 Ophthalmic problems

34 (15.9)

1 (3.0)

3 (11.5)

30 (19.4)

0.04*

 Milia

33 (15.4)

7 (21.2)

5 (19.2)

21 (13.5)

0.40

 Difficulty swallowing

32 (15.0)

7 (21.2)

4 (15.4)

21 (13.5)

0.45

 Anemia

27 (12.6)

3 (9.1)

3 (11.5)

21 (13.5)

0.94

 Difficulty sleeping

25 (11.7)

2 (6.1)

3 (11.5)

20 (12.9)

0.61

 Genitourinary problems

17 (7.9)

1 (3.0)

3 (11.5)

13 (8.4)

0.46

 Hair problems

17 (7.9)

3 (9.1)

1 (3.8)

13 (8.4)

0.84

 Failure to thrive

12 (5.6)

3 (9.1)

4 (15.4)

5 (3.2)

0.02*

 Gastrostomy tube

9 (4.2)

5 (15.2)

3 (11.5)

1 (0.6)

 < 0.001*

Wound characteristics

Presence of small wounds (< 2.5 cm)d

165 (77.1)

28 (84.8)

18 (69.2)

119 (76.8)

0.38

Presence of medium wounds (2.5–7.5 cm)d

107 (50.0)

18 (54.5)

13 (50.0)

76 (49.0)

0.86

Presence of large wounds (> 7.5 cm)d

62 (29.0)

8 (24.2)

11 (42.3)

43 (27.7)

0.28

Presence of chronic woundse

126 (58.9)

23 (69.7)

18 (69.2)

85 (54.8)

0.15

Anatomic location of chronic woundse

 Head and neck

28 (13.1)

7 (21.2)

2 (7.7)

19 (12.3)

0.30

 Upper extremities

37 (17.3)

9 (27.3)

5 (19.2)

23 (14.8)

0.21

 Trunk and lower back

8 (3.7)

3 (9.1)

2 (7.7)

3 (1.9)

0.05

 Buttocks and genitals

12 (5.6)

5 (15.2)

2 (7.7)

5 (3.2)

0.02*

 Lower extremities

116 (54.2)

22 (66.7)

17 (65.4)

17 (11.0)

0.11

Presence of recurrent woundsf

191 (89.3)

31 (93.9)

22 (84.6)

138 (89.0)

0.49

Anatomic location of recurrent woundsf

 Head and neck

47 (22.0)

12 (36.4)

8 (30.8)

27 (17.4)

0.03*

 Upper extremities

88 (41.1)

16 (48.5)

10 (38.5)

62 (40.0)

0.68

 Trunk and lower back

19 (8.9)

5 (15.2)

2 (7.7)

12 (7.7)

0.36

 Buttocks and genitals

31 (14.5)

8 (24.2)

3 (11.5)

20 (12.9)

0.24

 Lower extremities

183 (85.5)

30 (90.9)

22 (84.6)

131 (84.5)

0.71

Number of dressing changes per week

    

0.16

 0 to 3 changes/week

56 (26.2)

11 (33.3)

5 (19.2)

40 (25.8)

 

 4 to 9 changes/week

80 (37.4)

14 (42.4)

7 (26.9)

59 (38.1)

 

 10 + changes/week

11 (5.1)

1 (3.0)

4 (15.4)

6 (3.9)

 

 Not answered

67 (31.3)

7 (21.2)

10 (38.5)

50 (32.3)

 

Medication Use

Non-opiate analgesics (routine use)g

107 (50.0)

19 (57.6)

14 (53.8)

74 (47.7)

0.55

Topical antibioticsh

92 (43.0)

22 (66.7)

18 (69.2)

52 (33.5)

 < 0.001*

Non-opiate analgesics (dressing changes)g

61 (28.5)

15 (45.5)

8 (30.8)

38 (24.5)

0.05

Antihistaminesi

45 (21.0)

12 (36.4)

5 (19.2)

28 (18.1)

0.08

Laxativesj

34 (15.9)

5 (15.2)

6 (23.1)

23 (14.8)

0.57

Opiates (routine use)k

26 (12.1)

7 (21.2)

3 (11.5)

16 (10.3)

0.24

Psychiatric medicationsl

24 (11.2)

0 (0.0)

4 (15.4)

20 (12.9)

0.05*

Topicals steroidsm

16 (7.5)

4 (12.1)

0 (0.0)

12 (7.7)

0.23

Opiates (dressing changes)k

12 (5.6)

3 (9.1)

0 (0.0)

9 (5.8)

0.39

Systemic steroidsn

6 (2.8)

0 (0.0)

1 (3.8)

5 (3.2)

0.66

  1. Statistical significance was assessed using Kruskal–Wallis tests and Fisher’s exact tests. Respondents who did not answer have been excluded from the comparison. *Significance at the 0.05 level
  2. SD standard deviation
  3. a“Other” subtypes include plectin-related intermediate EBS (previously EBS-Ogna), EBS with mottled pigmentation, and EBS with muscular dystrophy
  4. bOnly respondents who completed all 17 items in the QOLEB survey were included. QOLEB scores are stratified as follows: very mild (0–4), mild (5–9), moderate (10–19), severe (20–34), and very severe (35–51)
  5. cBody mass index was calculated and categorized based on age-appropriate guidelines for respondents with available height and weight data
  6. dRespondents were able to select more than one wound size category
  7. eChronic wounds were defined as “areas that have not healed for weeks/months”
  8. fRecurrent wounds were defined as “areas that are difficult to heal”
  9. gNon-opiate analgesics: acetaminophen, ibuprofen, naproxen, ketorolac, celecoxib, gabapentin, pregabalin, oxcarbazepine
  10. hTopical antibiotics: mupirocin, bacitracin, polymixin, neosporin, gentamicin, retapamulin, chlorhexidine
  11. iAntihistamines: diphenhydramine, cetirizine, cyproheptadine, hydroxyzine, loratidine
  12. jLaxatives: lactulose, fiber, senna, bisacodyl, polyethylene glycol, magnesium hydroxide, castor oil, docusate
  13. kOpiates: codeine, hydrocodone, oxycodone, hydromorphone, fentanyl, methadone, morphine
  14. lPsychiatric medications: amitriptyline, amphetamine, aripiprazole, atomoxetine, bupropion, buspirone, carbamazepine, clorazepate, chlordiazepoxide, chlorpromazine, citalopram, dexmethylphenidate, diazepam, doxepin, duloxetine, escitalopram, fluphenazine, fluvoxamine, guanfacine, haloperidol, imipramine, lamotrigine, lithium, lorazepam, lurasidone, methylphenidate, midazolam, mirtazapine, nefazodone, oxcarbazepine, paroxetine, quetiapine, risperidone, sertraline, thioridazine, valproate, venlafaxine
  15. mTopical steroids: hydrocortisone, triamcinolone
  16. nSystemic steroids: prednisone