. 2021 Aug 11;10(9):1091–1100. doi: 10.1530/EC-21-0340
This work is licensed under a Table 2.
Summarized rates of laboratory or clinical examinations in each investigation (%).
| Burch, 2012 | Bartalena, 2015 | Negro, 2016 | Beshyah, 2017 | Wang, 2021 | |
|---|---|---|---|---|---|
| Region | North America | Europe | Italy | MENA | China |
| Respondents | 730 | 147 | 947 | 352 | 756 |
| TSH | 89.1% | 80.8% | 68.5% | 83% | 98.8% |
| fT4 | 89.3% | 81.5% | 66.5% | 80% | 96.3% |
| fT3 | 40.5% | – | – | 62% | 95.2% |
| tT4 | – | – | – | – | 54.0% |
| tT3 | 31.8% | – | – | 13% | 54.4% |
| Ultrasound | 25.8% | 70.6% | 92.1% | 64% | 87.6% |
| RAIU | 47.0% | 6.2% | 11.5% | 22% | 27.0% |
| Thyroid radionuclide scan | 41.9% | 31.5% | 25.2% | 40% | 21.7% |
| TRAb | 58.1% | 85.6% | 93.9% | 46% | 95.2% |
| TPOAb | 42.4% | 64.4% | 76.8% | 50% | 54.0% |
| TgAb | 23.7% | 30.1% | 58.0% | 36% | 48.9% |
| Peak velocity of the superior thyroid artery | – | – | – | – | 62.6% |
| Invasive exophthalmos | – | – | – | – | 79.1% |
| Pretibial mucinous edema | – | – | – | – | 64.3% |
fT3, free triiodothyronine; fT4, free thyroxine; MENA, Middle East and North Africa; RAIU, radioactive iodine uptake; TgAb, thyroglobulin antibody; TPOAb, thyroid peroxidase antibody; TRAb, thyrotropin receptor antibody; TSH, thyroid-stimulating hormone; tT3, total triiodothyronine; tT4, total thyroxine.