Table.
Laboratory Resultsa
| Test | Jul 24, 2017 | Feb 27, 2018 | Nov 30, 2018 | Dec 3, 2018 | Dec 27, 2018 | Jan 22, 2019 | Mar 18, 2019 | Apr 3, 2019 | Apr 26, 2019 | Sep 12, 2019 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TSH (0.4-4.80 mIU/L) | 2.29 | 1.38 | <0.01 (L) | <0.01 (L) | Carbimazole started at 15 mg twice daily | <0.01 (L) | Carbimazole reduced to 10 mg twice daily | 57.5 (H) | Carbimazole stopped | 82.6 (H) | 47.4 (H) | Thyroxine 50 mcg commenced | 6.48 (H) | 9.30 (H) | Thyroxine increased to 100 mcg |
| FT4 0.6-1.2 ng/mL 8.0-16.0 pM |
>7.8 (>100) | >7.8 (>100) (H) |
0.93 ng/dL (12.0) | 0.5 (6.7) (L) | 0.5 (6.5) | 0.7 (9) | 0.9 (12.1) | 1.0 (12.9) | |||||||
| FT3 2.1-4.0 pg/mL 3.2-6.1 pM |
>32.6 (>50) | >32.6 (>50) (H) | 0.26 ng/dL (3.40) | 2.6 (4.0) (L) | 2.7 (4.1) | 3.4 (5.2) | 3.6 (5.5) | 3.5 (5.3) | |||||||
| Tg (1.6-50.0 ng/mL) | 11.9 | ||||||||||||||
| TPOAb (<35 IU/mL) | 438 (H) | ||||||||||||||
| TgAb (<5.0 IU/mL) | 864 (H) | ||||||||||||||
| TRAb (<1.8 IU/L) | 41 (H) | 35 (H) | >40 (H) | ||||||||||||
| TSI (<140% SRR) | <140 (negative) | 304 (positive) | <140 (negative) | ||||||||||||
| TBI (% Inhibition) | 54 (positive) | 56 (positive) | 50 (positive) |
Abbreviations: Apr = April; Dec = December; Feb = February; FT3 = free triiodothyronine; FT4 = free thyroxine; Jan = January; Jul = July; Mar = March; Nov = November; Sep = September; SRR = signal-to-reference ratio; TBI = thyroid-blocking immunoglobulin; Tg = thyroglobulin; TgAb = thyroglobulin antibody; TPOAb = thyroid peroxidase antibody; TRAb = thyroid receptor antibody; TSH = thyroid-stimulating hormone; TSI = thyroid-stimulating immunoglobulin.
a
FT4 conversion factor: pmol/L ∗0.077688 = ng/dL; FT3 conversion factor: pmol/L∗0.651 = pg/mL.