Table 1

 Differences in iontophoresis group between baseline and follow up

Before1 week1 month3 months
Mean (SD)Mean (SD)p ValueMean (SD)p ValueMean (SD)p Value
Subjective symptoms (face score)5.2 (1.6)3.0 (1.2)<0.013.0 (1.3)<0.013.5 (1.5)<0.01
Frequency of artificial tear substitute application (times)6.3 (4.5)3.2 (2.2)<0.013.9 (3.6)<0.054.6 (3.6)<0.05
Break up time (seconds)3.5 (1.1)5.2 (2.9)<0.014.8 (3.2)0.164.2 (1.7)0.06
Schirmer I (mm)3.5 (4.2)3.8 (3.2)0.504.1 (5.8)0.404.1 (5.8)0.40
Fluorescein staining (score)1.2 (1.1)0.8 (0.9)<0.010.9 (1.1)<0.050.9 (0.9)<0.05
Rose bengal staining (score)5.8 (3.0)4.7 (2.7)<0.054.6 (2.8)<0.054.7 (2.8)<0.05
Impression cytology (score)9.9 (4.0)11.8 (3.9)0.0911.8 (3.4)0.0610.9 (5.3)0.22