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

Table 3

Relationship between the degree of adipose change in the inferior rectus muscle, smoking status, and history of orbital radiation therapy.

	Adipose change in the IRM				value
Degree	0	1	2	3
Number of smokers	0	2	2	4	0.010
Number of nonsmokers	6	9	0	2
Number of patients with a history of orbital radiation therapy	2	7	1	2	0.549
Number of patients without a history of orbital radiation therapy	4	4	1	4

IRM: inferior rectus muscle.
Statistical comparisons using the chi-square test for independent variables.