Table 2. Thyroid hormones and their carrier proteins in the pleural effusion.
| Plasma | Pleural effusion | Reference | |
|---|---|---|---|
| TBG | 23.9 | 12.0 | 12.0–28.0 µg/mL |
| TBPA | 16.2 | 6.5 | 22.0–40.0 mg/dL |
| Alb | 2.0 | 1.0 | 3.6–5.1 g/dL |
| FT3 | 1.64 | 0.6 | 1.71–3.71 pg/mL |
| TT3 | 57.0 | < 20.0 | 70.0–176.0 ng/dL |
| FT4 | < 0.40 | < 0.40 | 0.70–1.48 ng/dL |
| TT4 | 3.2 | 1.2 | 4.8–10.5 µg/dL |
TBG, thyroxine-binding globulin; TBPA, thyroxine-binding prealbumin; Alb, albumin; FT3, free triiodothyronine; TT3, total triiodothyronine; FT4, free tetraiodothyronine; TT4, total tetraiodothyronine.