The clinical significance of thyroid hormones test using in diabetes mellitus

Objective To explore the clinical significance of thyroid hormones test using in diabetes mellitus (DM).Methods 98 cases with DM and 40 health people were selected.The serum T3,T4,FT3,FT4,TSH,rT3 levels were tested to analy the relativity of DM and TH.Results The type 2 DM's and type 1 DM's T3,T4,FT3,FT4 levels were much lower than those of the control group,while the rT3 level was higher(P ＜ 0.05 ) ;and the type 1 DM was the lowest one(P ＜0.05).In group 7％ ～ 10％,Group ＞ 10％ ～13％ and Group HbA1c ＞ 13％ T3,FT3 and TSH levels were lower than Group HbA1c ＜ 7％ (P ＜ 0.05 ).With DM extension,FT3 and T3 declined,while rT3 ascended (P ＜0.05 ).Conclusion DM patients are always with the abnormal of TH level,so monitoring the TH level is importantfor evaluating the DM patients' state and course. Key words: diabetes mellitus; Thyroid hormones; Hemoglobin A glycosylated