Non-alcoholic fatty liver disease in Tanzania: prevalence, determinants, and diagnostic performance of triglycerides-glucose index and triglycerides-glucose index –body mass index compared to the hepatic ultrasound in overweight and obese individuals

Table 3 Sensitivity and specificity of the Triglyceride-glucose index and Triglyceride-glucose index-BMI compared to ultrasound in the diagnosis of NAFLD

		Ultrasound diagnosis			Sensitivity	Specificity	PPV	NPV
		NAFLD present	NAFLD absent	Total	Sensitivity	Specificity	PPV	NPV
TyG	> 8.99	39	26	65	39/55 = 70.9%	100/126 = 79.3%	39/65 = 60.0%	100/116 = 86.2%
	≤8.99	16	100	116
	Total	55	126	181
TyG-BMI	> 312	33	31	64	33/55 = 60.0%	95/126 = 75.4%	33/64 = 51.6%	95/117 = 81.2%
	≤312	22	95	117
	Total	55	126	181

NAFLD Non-alcoholic fatty liver disease, PPV Positive predictive value, NPV Negative predictive value, TyG Triglyceride-glucose index, TyG-BMI Triglyceride-glucose index-BMI

ISSN: 1471-230X