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Table 2 BCVA, IOP, TDSS, TBUT, ST and FSS of four subgroups

From: Impact of Dry Eye Syndrome on Vision-Related Quality of Life in a Non-Clinic-Based General Population

  group A (n = 70) group B (n = 50) group C (n = 49) group D (n = 60)
BCVA     
right eye 0.23 ± 0.20 (0.16) 0.23 ± 0.22 (0.2) 0.26 ± 0.27 (0.24) 0.25 ± 0.27 (0.2)
left eye 0.27 ± 0.28 (0.2) 0.24 ± 0.22 (0.2) 0.24 ± 0.19 (0.2) 0.24 ± 0.23 (0.2)
IOP     
right eye 15.33 ± 4.61 (15) 15.86 ± 3.99 (15) 16.15 ± 5.51 (16) 16.22 ± 4.49 (16)
left eye 15.21 ± 4.55 (15) 16.17 ± 4.21 (16) 15.52 ± 4.68 (15) 14.93 ± 5.73 (15)
TDSS     
right eye 6.74 ± 4.29 (6) 0.64 ± 1.24 (0)* 5.90 ± 3.81 (6) 0.36 ± 0.73 (0)*
left eye 6.68 ± 4.64 (6) 0.59 ± 1.19 (0)* 5.98 ± 3.46 (6) 0.35 ± 0.79 (0)*
TBUT (s)     
right eye 4.74 ± 3.54 (3)* 4.08 ± 3.29 (3)* 10.25 ± 2.47 (10) 9.98 ± 2.41(9)
left eye 4.33 ± 3.08 (3)* 4.52 ± 3.01 (4)* 10.11 ± 2.60 (10) 10.17 ± 2.22(10)
ST (mm)     
right eye 4.11 ± 3.75(3)* 6.22 ± 4.30 (5)* 11.47 ± 4.27 (10) 12.17 ± 4.52 (12)
left eye 4.20 ± 3.33(3)* 5.94 ± 4.19 (5)* 11.58 ± 5.12 (9) 12.25 ± 4.47 (12)
FSS     
right eye 0.04 ± 0.27 (0) 0 0 0
left eye 0.04 ± 0.27 (0) 0.02 ± 0.14 (0) 0 0
  1. The data were expressed as mean ± SD, with the median in the bracket.
  2. * means P value less than 0.001.
  3. BCVA: Best corrected visual acuity, IOP: intraocular pressure, TDSS: total DES symptom score, TBUT: tear-film breakup time test, ST: Schirmer test, FSS: fluorescein staining score.