Table 2.
Thyroid dysfunction of psoriasis patients.
| Psoriasis vulgaris | Pustular psoriasis | Erythrodermic psoriasis | Psoriatic arthritis | Total | |
|---|---|---|---|---|---|
| Elevated FT3 or FT4 & decreased TSH (%) | 0 | 0 | 0 | 0 | 0 |
| Normal FT3 and FT4 & decreased TSH (%) (adjusted residuals) | 13 (4.33%) (-1.3) | 5 (8.33%) (1.1) | 4 (7.41%) (0.7) | 3 (5.56%) (0.1) | 25 (5.34%) |
| Decreased FT3 or FT4 & elevated TSH (%) | 0 | 0 | 1 (1.85%) | 1 (1.85%) | 2 (0.43%) |
| Normal FT3 and FT4 & elevated TSH (%) | 9 (3.00%) | 2 (3.33%) | 0 | 1 (1.85%) | 12 (2.56%) |
| Decreased FT3 or FT4 & normal TSH (%) (adjusted residuals) | 37 (12.33%) (-3.9) | 13 (21.67%) (0.9) | 23 (42.59%) (5.2) | 9 (16.67%) (-0.2) | 82 (17.52%) |
| Total | 300 (64.10%) | 60 (12.82%) | 54 (11.54%) | 54 (11.54%) | 468 |
FT3: free triiodothyronine; FT4: free thyroxine; TSH: thyroid-stimulating hormone; TT3: total triiodothyronine; TT4: total thyroxine.