SFCT values of patients in active phase, inactive phase and healthy controls
| Group | N | Mean | Min | Max | SD | P value | |
| Active group (group 1) | 38 | 276.23 | 113.29 | 483.86 | 84.01 | Group 1 vs group 2 | 0.049 |
| Inactive group (group 2) | 22 | 224.68 | 63.67 | 410.91 | 111.61 | Group 1 vs group 3 | 0.010 |
| TAO (group 1+2) | 60 | 257.33 | 63.67 | 483.86 | 97.40 | TAO vs normal control | 0.03 |
| NC (group 3) | 67 | 223.56 | 61.63 | 415.98 | 78.69 | Group 2 vs Group 3 | 1.000 |
NC, normal control; SFCT, subfoveal choroidal thickness; TAO, thyroid-associated ophthalmopathy.