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

Table 4 Prediction of histology fibrosis score (Grouping: F0-1 vs F2-4) using elastography median, aminotransferase platelet ratio index score, age category¹, sex and steatosis maximum likelihood and odds ratio estimates

Variable		DF	Coefficient estimate	Standard error	Wald χ2	Pr > χ2	OR estimate	Lower 95%CI limit for OR	Upper 95%CI limit for OR
Intercept		1	-6.6482	1.3510	24.2158	< 0.0001
Age category	LE median	1	0.0971	0.3219	0.0910	0.7629	1.214	0.344	4.288
APRI score		1	0.1946	0.3873	0.2526	0.6153	1.215	0.569	2.595
Elastography median		1	0.9041	0.2513	12.9464	0.0003	2.470	1.509	4.042
Sex	Female	1	0.3330	0.3551	0.8797	0.3483	1.947	0.484	7.830
Steatosis		1	1.1317	0.3462	10.6843	0.0011	3.101	1.573	6.112

¹Age category (years): n = 128. Mean (SD) 46 (16.99). Median 42; Minimum 18; Maximum 108. OR: Odds ratio; APRI: Aminotransferase platelet ratio index.