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Table 2 The signal intensity ratios (SIRs) of extraocular muscles in the active thyroid-associated ophthalmopathy (TAO) group, inactive TAO group, and controls

From: Quantitative evaluation of activity of thyroid-associated Ophthalmopathy using short-tau inversion recovery (STIR) sequence

 

Control

(n = 62 eyes)

TAO

P-Value

Inactive

(n = 51 eyes)

Active

(n = 51 eyes)

Inactive vs. Control

Active vs. Control

Active vs. Inactive

Superior rectus

2.12 ± 0.30

2.32 ± 0.55

3.12 ± 0.88

0.21

< 0.01

< 0.01

Inferior rectus

2.27 ± 0.46

2.63 ± 1.05

3.41 ± 0.81

0.42

< 0.01

< 0.01

Medial rectus

2.33 ± 0.48

2.43 ± 0.62

3.13 ± 0.81

0.36

< 0.01

< 0.01

Lateral rectus

2.28 ± 0.50

2.43 ± 0.65

2.87 ± 0.65

0.21

< 0.01

< 0.01

  1. Data are means ± SD for indicated number of eyes in each group. P values for comparisons between groups are based on unpaired t test or Mann-Whitney Test