Table 4 Comparison of the Hertel exophthalmometer, computed tomography (CT), and 3D reconstruction software according to the degree of proptosis.

From: Measurement of proptosis using computed tomography based three-dimensional reconstruction software in patients with Graves’ orbitopathy

 

 < 21 mm proptosis (187 eyes)

 >  = 21 mm proptosis (65 eyes)

Hertel

16.43 ± 2.27

21.88 ± 1.54

CT

17.95 ± 2.46

22.83 ± 1.77

Software

17.20 ± 2.46

22.14 ± 1.87

p value*

 < 0.001‡

0.002§

  1. CT computed tomography.
  2. *Repeated measures one-way analysis of variance, ‡: Bonferroni correction, Hertel vs. CT: p < 0.001, CT vs. 3D reconstruction software: p = 0.008, Hertel vs. 3D reconstruction software : p = 0.003, §Bonferroni correction, Hertel vs. CT: p = 0.002, CT vs. 3D reconstruction software: p = 0.037, Hertel vs. 3D reconstruction software : p = 0.618.
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