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Table 6 Statistical analysis on the frequency and intensity of DES in relation to the use of contact lenses

From: Prevalence of dry eye syndrome in association with the use of contact lenses in Saudi Arabia

 

OSDI

AGE

Pearson Correlation Coefficient

−0.057

P value

0.320

During a typical day in the past 2 weeks, how often did your eyes feel dry?

Spearman’s Correlation Coefficient

0.440

P value

< 0.001

When your eyes felt dry, how intense was this feeling of dryness after at the end of your wearing time

Spearman’s Correlation Coefficient

0.227

P value

0.008

Frequency of contact lens usage

Spearman’s Correlation Coefficient

0.179

P value

0.037