Table 3 Comparison of the Hertel exophthalmometer, computed tomography (CT), and 3D reconstruction software in patients who underwent orbital decompression.

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

 

Preoperative (mm)

Postoperative (mm)

Difference (mm)

p value†

Hertel

18.96 ± 2.42

15.70 ± 1.72

3.26 ± 1.83

 < 0.001

CT

20.12 ± 2.94

17.46 ± 2.42

2.93 ± 2.12

 < 0.001

Software

19.74 ± 2.79

16.62 ± 2.52

3.12 ± 2.05

 < 0.001

p value*

0.024

0.012

0.153

 
  1. CT  computed tomography.
  2. *Repeated measures one-way analysis of variance, †Paired t test between preoperative and postoperative values.
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