Table 1

Baseline characteristics of the intention-to-treat population

HerbsAcupunctureArtificial tears
Number505050
Female%827476
Proportion41/5037/5038/50
AgeMean±SD57.36±6.4558.92±9.1758.94±7.92
SPEED* Mean±SD11.44±4.2812.14±4.6911.16±4.94
NIBUT (s)Mean±SD8.02±6.137.58±5.449.36±6.34
Schirmer I (mm)Mean±SD13.1±10.810.9±7.811.7±8.6
Corneal staining
 CentralMean±SD0.12±0.390.13±0.560.09±0.31
 InferiorMean±SD0.9±0.91.05±1.030.87±0.86
 SuperiorMean±SD0.37±0.50.46±0.60.36±0.58
 TemporalMean±SD0.21±0.470.54±0.870.33±0.61
 NasalMean±SD0.3±0.670.57±0.970.39±0.39
Tear osmolarity (mOsm)Mean±SD300±12.2301±12.8305±16
Conjunctival rednessMean±SD1.19±0.411.15±0.401.23±0.37
  • *Standard patient evaluation of eye dryness: greater number (0–28) indicates more severe/frequent dry eye symptoms.

  • NIBUT, non-invasive tear break-up time.