Table 2.
Diagnostic investigations into etiology
| Graves disease (n = 802) | Multinodular goiter (n = 121) | Toxic adenoma (n = 69) | p value | |
|---|---|---|---|---|
| Prescription of TRAb | ||||
| No response | – | 1 | – | |
| Yes | 486 (60.6) | 56 (46.7) | 31 (44.9) 0.0013 | |
| No | 316 (39.4) | 64 (53.3) | 38 (55.1) | |
| Results of TRAb | ||||
| No response | 5 | 1 | 1 | <0.0001 |
| Positive | 461 (95.8) | 8 (14.5) | 2 (6.7) | |
| Negative | 20 (4.2) | 47 (85.5) | 28 (93.3) | |
| Request for anti-TPO Ab | ||||
| Yes | 413 (51.5) | 47 (39.2) | 21 (30.4) 0.0003 | |
| No | 389 (48.5) | 73 (60.8) | 48 (69.6) | |
| Results of anti-TPO Ab | ||||
| No response | 6 | – | – | |
| Positive | 311 (76.4) | 4 (8.5) | 2 (9.5) <0.0001 | |
| Negative | 96 (23.6) | 43 (91.5) | 19 (90.5) | |
| Blood count | 0.007 | |||
| No response | 60 | 7 | 9 | |
| Yes | 653 (88.0) | 94 (82.5) | 45 (75.0) | |
| No | 89 (12.0) | 20 (17.5) | 15 (25.0) | |
| Thyroid scan | ||||
| No response | 117 | 10 | 3 | |
| Yes | 213 (31.1) | 75 (67.6) | 59 (89.4) <0.0001 | |
| No | 472 (68.9) | 36 (32.4) | 7 (10.6) | |
| Ultrasonography | ||||
| No response | 56 | 6 | 6 | |
| Yes | 695 (93.2) | 105 (91.3) | 59 (93.7) 0.8 | |
| No | 51 (6.8) | 10 (8.7) | 4 (6.3) | |
Values are presented as n (%).