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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