Table 5.
Factors associated with the unfeasibility of liver biopsy based on complete contrast-enhanced CT study by the second reader.
| Univariate Analysis | Multivariate Analysis | ||||
|---|---|---|---|---|---|
| Variables | HR | 95% CI | p Value | HR | 95% CI |
|
Dimension (mm) Subgroups |
1.057 | 0.999–1.118 | 0.054 | ||
| 10–20 (n; %) | 2.644 | 0.954–7.332 | 0.062 | ||
| 21–30 (n; %) | 0.518 | 0.148–1.814 | 0.303 | ||
| 31–40 (n; %) | 0.219 | 0.058–1.457 | 0.133 | ||
| Liver segment | |||||
| 1 (n; %) | -- | ||||
| 2 (n; %) | 1.484 | 0.516–4.262 | 0.464 | ||
| 3 (n; %) | 0.835 | 0.291–2.399 | 0.738 | ||
| 4 (n; %) | 0.658 | 0.203–2.134 | 0.486 | ||
| 5 (n; %) | 1.264 | 0.476–3.353 | 0.638 | ||
| 6 (n; %) | 0.400 | 0.119–1.350 | 0.140 | ||
| 7 (n; %) | 0.660 | 0.238–1.828 | 0.424 | ||
| 8 (n; %) | 1.879 | 0.834–4.235 | 0.128 | ||
| Location | |||||
| Anterior, superficial | 1.009 | 0.504–2.020 | 0.980 | ||
| Posterior, superficial | 0.680 | 0.280–1.653 | 0.394 | ||
| Centrohepatic | 1.128 | 0.488–2.608 | 0.779 | ||
| Deep behind a fictitious line of the portal axis | 1.905 | 0.436–8.331 | 0.392 | ||
HR: hazard ratio; CI: confidence interval.