ALB and hypothyroidism: Additionally, hypothyroidism and low T3T4 groups had lower levels of serum albumin than that of the normal thyroid function group (19.01 ± 4.56 g/L vs. 28.68 ± 6.19 g/L, P < 0.05; 19.48 ± 3.99 g/L vs. 28.68 ± 6.19 g/L, P < 0.05; respectively).