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Table 2 The function of meibomian gland

From: Video display terminal use and other risk factors for abnormal blinking in children: gender differences

Gender

Parameters

NBG

ABG

X2**

P value**

Male

MLa

 

13.445

0.002

I

30(70%)

15(34%)

  

II

1(2%)

3(7%)

  

III

12(28%)

21(48%)

  

IV

0(0%)

5(11%)

  

MGEa

 

10.153

0.012

I

25(58%)

12(27%)

  

II

14(33%)

22(50%)

  

III

4(9%)

7(16%)

  

IV

0(0%)

3(7%)

  

MG dropouta

 

1.035

0.494

I

42(98%)

44(100%)

  

II

1(2%)

0(0%)

  

Mebium scorea

 

2.388

0.314

I

41(95%)

38(86%)

  

II

2(5%)

4(9%)

  

III

0(0%)

2(5%)

  

Female

MLa

 

4.780

0.180

I

29(72.5%)

21(52.5%)

  

II

2(5%)

2(5%)

  

III

9(22.5%)

15(37.5%)

  

IV

0(0%)

2(5%)

  

MGEa

 

5.513

0.107

I

26(65%)

16(40%)

  

II

8(20%)

12(30%)

  

III

6(15%)

11(27.5%)

  

IV

0(0%)

1(2.5%)

  

MG dropouta

 

2.817

1.000

I

39(97.5%)

38(95%)

  

II

0(0%)

1(2.5%)

  

III

1(2.5%)

0(0%)

  

IV

0(0%)

1(2.5%)

  

Mebium scorea

 

4.342

0.171

I

39(97.5%)

34(85%)

  

II

0(0%)

3(7.5%)

  

III

1(2.5%)

3(7.5%)

  
  1. P<0.05 indicates statistical significance
  2. aPearson Chi-Square and Fisher’s Exact Test
  3. **Comparison between the NBG and ABG
  4. Abbreviations:NBG normal blinking group, ABG abnormal blinking group, ML marx line, MGE meibomian gland expression, MG dropout, meibomian gland dropout degree