Thickness of Extraocular Muscle and Orbital Fat in MRI Predicts Response to Glucocorticoid Therapy in Graves’ Ophthalmopathy

Table 2

Comparison of ophthalmic parameter measurement in MRI.

	Responsive ()	Unresponsive ()	Control
Exophthalmos value (mm)	22.50 ± 2.17^#	20.82 ± 2.96	13.98 ± 0.97	<0.001
Inferior rectus (mm)	5.89 ± 0.96^#	4.86 ± 1.05	3.41 ± 0.29	<0.001
Medial rectus (mm)	11.02 ± 2.41	9.79 ± 1.32	7.77 ± 0.90	<0.001
Superior rectus (mm)	5.92 ± 1.93	5.62 ± 1.42	3.28 ± 0.35	<0.001
Lateral rectus (mm)	10.37 ± 1.32	10.21 ± 1.26	7.70 ± 0.46	<0.001
EOM (mm)	32.62 ± 4.78^#	29.67 ± 2.59	22.02 ± 1.76	<0.001
Orbital fat (mm)	3.78 ± 0.47^#	4.33 ± 0.65	3.24 ± 0.28	<0.001
Inferior rectus/fat ratio	1.65 ± 0.30^##	1.16 ± 0.24	1.12 ± 0.11	<0.001
EOM/fat ratio	9.09 ± 0.77^##	7.29 ± 1.27	7.09 ± 0.39	<0.001

versus control group; versus control group; ^# versus unresponsive group; ^## versus unresponsive group.