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Table 4 Comparison of mean pupil size and other factors between two groups divided by median pupil size (5.6 mm)

From: Analysis of various factors affecting pupil size in patients with glaucoma

  Small pupil (≤ 5.6 mm) Large pupil (> 5.6 mm) p-valuea
Number (eyes) 431 394  
Age (years) 47.75 ± 17.53 43.19 ± 16.81 <0.001
LogMAR BCVA 0.07 ± 0.16 0.04 ± 0.15 0.012
Pupil size (mm) 4.61 ± 0.73 6.50 ± 0.58 <0.001
Mean RNFL (μm) 80.52 ± 14.89 82.73 ± 15.36 0.037
Spherical equivalent −1.99 ± 2.91 −1.46 ± 2.56 0.005
IOPc (mmHg) 13.90 ± 3.49 13.63 ± 3.64 0.277
Axial length (mm) 24.83 ± 1.69 (n = 117) 24.75 ± 1.33 (n = 123) 0.7
CCT (μm) 521.14 ± 41.16 (n = 245) 513.22 ± 42.23 (n = 250) 0.035
WTW (mm) 11.61 ± 0.41 (n = 45) 11.56 ± 1.34 (n = 67) 0.807
A kappa 3.90 ± 1.65 (n = 45) 4.50 ± 1.64 (n = 67) 0.064
  1. Values are means ± SD; BCVA best corrected visual acuity, RNFL retinal nerve fiber layer thickness, IOP intraocular pressure, CCT central corneal thickness, WTW white-to-white
  2. aindependent t-test