SFCT values of moderate to severe, severe TAO patients and healthy controls
| Group | N | Mean | Min | Max | SD | P value | |
| Moderate to severe group (group 1) | 48 | 256.85 | 63.67 | 450.97 | 100.14 | Group one vs Group 2 | 0.996 |
| Severe group (group 2) | 12 | 259.23 | 158.72 | 483.86 | 89.61 | Group one vs Group 3 | 0.118 |
| NC (group 3) | 67 | 223.56 | 61.63 | 415.98 | 78.69 | Group two vs Group 3 | 0.405 |
SFCT, subfoveal choroidal thickness; TATO, thyroid-associated ophthalmopathy.