Skip to main content

Table 5 Comparative analysis before and after cessation of smartphone use for 4 weeks in the DED group

From: Smartphone use is a risk factor for pediatric dry eye disease according to region and age: a case control study

  Control (N = 30) Cessation of smartphone (N = 30) P
PEE (%) baseline 100 93.3 0.50a
After 4 weeks 86.7 0 <0.001a
TBUT (sec) baseline 9.20 ± 1.93 10.00 ± 3.25 0.42c
After 4 weeks 9.47 ± 1.88 11.33 ± 2.29 <0.001b
OSDI score baseline 35.76 ± 14.80 30.74 ± 13.36 0.34c
After 4 weeks 30.13 ± 13.22 14.53 ± 2.23 <0.001b
DED (%) baseline 100 100  
4 weeks 86.7 0 <0.001a
  1. PEE punctate epithelial erosion, TBUT tear break up time, OSDI ocular surface disease index, DED dry eye disease
  2. aBy Pearson’s Chi-square test, bBy Repeated measure ANOVA, cBy Independent t-test