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Table 2 Dry eye examination results from 2011 to 2013

From: Prevalence of Dry Eye Syndrome after a Three-Year Exposure to a Clean Room

   

Year

  
  

2011

2012

2013

p-value

TFBUT

sec

10.1 ± 5.1*

7.7 ± 4.4

7.0 ± 3.2

<0.01

Schirmer’s test I

mm

14.1 ± 8.0

14.3 ± 7.4

14.7 ± 8.8

0.61

Corneal erosion

grade 1

20 (5.7%)

36 (10.2%)

30 (8.5%)

0.24

 

grade 2

1 (0.0%)

1 (0.0%)

2 (0.0%)

 

McMonnies questionnaire

score

4.5 ± 3.5

5.2 ± 3.6

6.9 ± 3.9*

<0.01

Dry eye grade

mean score

0.7*

0.8

0.8

<0.01

  1. Data were compared using a general linear model and post-hoc Tukey test. The total number of subjects is not 352 due to missing data. The number of participants of 2011 Mcmonnies questionnaire is 292. So, the number of 2011 dry eye grade are 292. Other data were all 352. ‘*’ indicates a significant difference in the post-hoc analysis. TFBUT, tear film break-up test.