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Table 3 Characteristics of Demodex-positive and Demodex-negative patients with blepharokeratoconjunctivitis

From: Evaluation of the ocular surface characteristics and Demodex infestation in paediatric and adult blepharokeratoconjunctivitis

 

Demodex -positive

Demodex -negative

P -Value

Age (year, mean ± SD)

23.8 ± 10.9

19.9 ± 10.7

0.215

Gender (female/male)

24:4

14:8

0.070

TBUT (seconds)

3.37 ± 1.24

3.33 ± 0.86

0.904

ST (mm/5 min)

12.4 ± 8.9

12.6 ± 9.2

0.911

Cornea

Corneal staining

3.8 ± 1.6

2.2 ± 1.4

0.002 a

Neovascularization

6.0 ± 6.0

7.7 ± 6.3

0.306

Infiltration

29%(8/28)

45%(10/22)

0.217

Ulceration

14%(4/28)

5%(1/22)

0.368

Scarring

43%(12/28)

41%(9/22)

0.890

Lid margin

Secretion

71%(20/28)

36%(8/22)

0.013 a

Hyperemia

75%(21/28)

45%(10/22)

0.033 a

Telangiectasia

82%(23/28)

50%(11/22)

0.016 a

Meibum quality

7.1 ± 3.0

4.5 ± 3.5

0.019 a

Meibum expressibility

2.0 ± 1.1

1.2 ± 1.2

0.028 a

Recurrent chalazia

79%(22/28)

64%(14/22)

0.243

  1. TBUT tear breakup time, ST Schirmer’s I test
  2. aStatistically significant difference