Ultrasound shear wave elastography and liver fibrosis: A Prospective Multicenter Study

Table 2 Summary of liver disease scores by histology fibrosis score (discrete variables) n (%)

	Histology fibrosis scores					Total	χ2
	0 (n = 61)	1 (n = 20)	2 (n = 20)	3 (n = 10)	4 (n = 17)	(n = 128)	P value
Elastography fibrosis score
F0	51 (83.6)	7 (35.0)	5 (25.0)	0 (0.0)	1 (5.9)	64 (50.0)	< 0.0001
F1	10 (16.4)	10 (50.0)	2 (10.0)	2 (20.0)	1 (5.9)	25 (19.5)
F2	0 (0.0)	3 (15.0)	9 (45.0)	1 (10.0)	0 (0.0)	13 (10.2)
F3	0 (0.0)	0 (0.0)	3 (15.0)	7 (70.0)	1 (5.9)	11 (8.6)
F4	0 (0.0)	0 (0.0)	1 (5.0)	0 (0.0)	14 (82.4)	15 (11.7)
APRI fibrosis score
0	45 (73.8)	6 (30.0)	6 (30.0)	1 (10.0)	1 (5.9)	59 (46.1)	< 0.0001
1 to 3	14 (23.0)	13 (65.0)	9 (45.0)	9 (90.0)	8 (47.1)	53 (41.4)
4	2 (3.3)	1 (5.0)	5 (25.0)	0 (0.0)	8 (47.1)	16 (12.5)
Steatosis
Grade 0	48 (78.7)	8 (40.0)	2 (10.0)	1 (10.0)	4 (23.5)	63 (49.2)	< 0.0001
Grade 1	6 (9.8)	8 (40.0)	5 (25.0)	1 (10.0)	1 (5.9)	21 (16.4)
Grade 2	6 (9.8)	2 (10.0)	7 (35.0)	4 (40.0)	0 (0.0)	19 (14.8)
Grade 3	1 (1.6)	2 (10.0)	6 (30.0)	4 (40.0)	12 (70.6)	25 (19.5)

APRI: Aminotransferase platelet ratio index.