Table 3.

Variables predictive of severe Graves’ orbitopathy on multiple logistic regression analysis

Variables	P*	OR (95% CI)
Male gender	0.024	2.90 (1.26-19.52)
Duration of GD (months)	0.051	1.92 (0.53-5.24)
Current smoker	0.015	3.35 (2.84-26.40)
CAS >3	0.054	1.62 (0.43-4.32)
TRAb >2 ULN	0.004	5.62 (3.02-29.44)
Differential IOP >6 mmHg	0.019	3.72 (1.22-24.36)

*P<0.05 is considered statistically significant. CAS: Clinical Activity Score, TRAb=Thyroid receptor antibody, IOP=Intraocular pressure, ULN=Upper limit of normal, OR=Odds ratio, CI=Confidence interval, GD=Graves’ disease