Ultrasonic elastography in clinical quantitative assessment of fatty liver

Table 1 Grading of fatty liver shown by traditional ultrasound and elastography

Traditional ultrasound	Elastography				Total
	1 score	2 scores	3 scores	4 scores
Normal	41	3	1	0	45
Mild	2	42	2	0	46
Moderate	1	3	34	1	39
Severe	0	1	2	17	20
Total	44	49	39	18	150

The consistency of two methods was tested by κ and the κ value was 0.87 (P = 0.001).