Table 4.

Univariate predictive model of DKD.

Index	AUC (95% CI)	Specificity	Sensitivity	Cut-Off
FT4	0.57 (0.54, 0.60)	0.44	0.68	15.95
FT3	0.61 (0.58, 0.64)	0.54	0.64	4.85
FT3/FT4	0.65 (0.62, 0.68)	0.41	0.84	0.29

Note: FT4 is for free thyroxine, FT3 is for free triiodothyronine.