Table 4.
Multivariate analysis of prognostic factor for patients with ESCC.
| Variables | B | SE | Wald | df | P-value | Hazard ratio | 95% CI | |
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Radiation dose | −0.125 | 0.067 | 5.112 | 1 | 0.026 | 1.211 | 0.925 | 1.326 |
| IHIST_energy | −0.056 | 0.021 | 7.482 | 1 | 0.007 | 0.952 | 0.911 | 0.995 |
| m_contrast_1 | 0.146 | 0.028 | 19.47 | 1 | 0.001 | 1.152 | 1.128 | 1.195 |
| Diff_homogeneity_2 | −0.022 | 0.002 | 8.824 | 1 | 0.003 | 0.963 | 0.941 | 0.981 |
| m_Inverencevariance_2 | 0.036 | 0.014 | 4.06 | 1 | 0.034 | 1.042 | 1.002 | 1.13 |
| HISE | −0.053 | 0.018 | 8.016 | 1 | 0.004 | 0.942 | 0.913 | 0.952 |
| LILE | 0.067 | 0.033 | 9.735 | 1 | 0.003 | 1.085 | 1.033 | 1.139 |
IHIST_energy, the energy of intensity histogram texture; m_contrast_1, the mean of contrast in distance 1 of 26 directions; Diff_homogeneity_2, the extreme difference of homogeneity in distance 2 of 26 directions; m_Inverencevariance_2, the mean of inverse variance in distance 2 of 26 directions; HISE, high intensity small zone emphasis; LILE, low intensity large zone emphasis.