Table 2 Dry eye examination results for different pterygium grades.

From: Evaluation of lymphotoxin-alpha in pterygium and diagnostic value in active and inactive pterygium states

 

I

II

III

IV

H/χ2

P value

Sex

    

2.675

0.444‡

 Male

5

43

4

12

  

 Female

10

81

6

11

  

Age (years)

45.87 ± 9.27

54.77 ± 10.28

57.30 ± 6.30

59.39 ± 8.80

16.238

0.01†

Disease time (years)

2.04 ± 2.57

4.58 ± 4.83

6.70 ± 5.45

6.50 ± 6.02

17.853

0.001†

Pterygium size (mm)

0.90 ± 0.43

2.13 ± 0.82

4.00 ± 0.81

4.63 ± 1.05

88.671

0.001†

Congestion score

0.93 ± 0.45

1.68 ± 0.60

2.00 ± 0.01

2.09 ± 0.51

33.886

0.001†

LT-a (ng/ml)

2.20 ± 5.17

0.42 ± 1.35

0.09 ± 0.24

0.54 ± 1.35

9.286

0.026†

TMH (mm)

0.17 ± 0.05

0.14 ± 0.04

0.16 ± 0.05

0.15 ± 0.03

7.108

0.069†

NIBUT (s)

7.86 ± 3.08

6.52 ± 6.42

5.34 ± 3.56

4.84 ± 2.74

30.051

0.001†

CFS

0.40 ± 0.73

1.21 ± 1.33

1.90 ± 0.99

2.35 ± 1.15

30.384

0.001†

MGS (up)

1.27 ± 0.59

1.25 ± 0.69

1.20 ± 0.78

1.83 ± 0.83

11.011

0.012†

MGS (down)

0.67 ± 0.81

0.81 ± 0.72

0.40 ± 0.51

1.39 ± 1.03

11.653

0.009†

LLT

55.27 ± 30.63

68.44 ± 24.66

75.10 ± 28.57

82.87 ± 23.20

12.783

0.005†

  1. LLT lipid layer thickness, TMH tear meniscus height, NIBUT non-invasive break-up time, CFS corneal fluorescein staining, MGS meibomian gland score.
  2. †Kruskal–Wallis test. ‡χ2 test.
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