Purpose: To determine the relationship between Graves ophthalmopathy (GO) and triglyceride glucose index (TGI) and to evaluate the predictive importance of this index in terms of GO activity.
Methods: This retrospective study included 20 inactive GO patients, 20 active GO patients, and 20 healthy controls. TGI was calculated using fasting plasma triglyceride and fasting plasma glucose levels and values were compared between the groups. The receiver operating characteristics curve was used to calculate the optimal TGI cutoff value and the sensitivity and specificity of this value between active and inactive GO groups.
Results: No significant difference was detected between the groups in terms of age and gender (p = 0.561 and p = 0.762, respectively). TGI value was 8.49 (8.41, 8.67) in the control group, 8.76 (8.74, 8.87) in the inactive GO group, and 9.06 (8.87, 9.08) in the active GO group (p < 0.001 for control group vs. inactive GO group; p < 0.001 for control group vs. active GO group; p = 0.001 for inactive GO group vs. active GO group). The optimal receiver operating characteristics cutoff value of TGI between active and inactive GO groups was 8.86 with 85% sensitivity and 75% specificity (area under curve: 0.837, p < 0.001, 95% confidence interval: 0.711-0.964).
Conclusion: TGI was higher in both inactive and active GO patients compared with controls. It also appears that TGI may be used as a predictive marker indicating GO activity. This cheap and easily accessible parameter may be beneficial in detecting the disease and monitoring its activity in clinical practice.
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