Table 7.
Results for ARFI and 2D-SWE at different distance from the central axis
Test result variable |
AUROC | Spearman’s | ANOVA | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Cut-off (m/s) | Sensitivity | Specificity | Area (95%CI) | SE | Asymptotic Sig. | r | p | p | ||
ARFI | 0cm | 1.50 | 0.71 | 0.92 | 0.85(0.67–1.00) | 0.090 | 0.013* | 0.54 | 0.014* | 0.442 |
2cm | 1.42 | 0.71 | 0.92 | 0.80(0.56–1.00) | 0.126 | 0.029* | 0.55 | 0.012* | ||
4cm | 1.67 | 0.71 | 0.69 | 0.66(0.38–0.94) | 0.142 | 0.251 | 0.38 | 0.100 | ||
2D-SWE | 0cm | 1.68 | 0.86 | 0.69 | 0.76(0.557–0.98) | 0.111 | 0.057 | 0.31 | 0.182 | 0.850 |
2cm | 2..48 | 0.57 | 0.85 | 0.73(0.48–0.97) | 0.125 | 0.104 | 0.37 | 0.104 | ||
4cm | 1.88 | 1.00 | 0.46 | 0.76(0.53–0.99) | 0.119 | 0.063 | 0.34 | 0.148 |
AUROC is area under the receiver operating characteristic curve for predictive values for significant fibrosis (F≥2 METAVIR)
SE: standard error
Asymptotic Sig: asymptotic significant
ARFI: acoustic radiation force impulse
2D-SWE: two-dimensional shear-wave elastography