Predictors of the Dose-Effect Relationship regarding Unilateral Inferior Rectus Muscle Recession in Patients with Thyroid Eye Disease

Table 2

Inferior rectus muscle thickness in each patient group.

	IRM thickness (mm^2)
Mean (range)	72.52 ± 17.34 (41.82–117.83)
Smoker (range)	76.51 ± 19.57 (57.23–117.83)
Nonsmoker (range)	70.63 ± 16.49 (41.82–91.30)
value	0.887
Patients with a history of orbital radiation therapy (range)	76.25 ± 20.09 (47.56–117.83)
Patients without a history of orbital irradiation (range)	69.07 ± 14.32 (41.82–91.30)
value	0.347

IRM: inferior rectus muscle.
Statistical comparison using the Mann-Whitney test.