Table 2.
Factors affecting survival
| Variable | Patients, n (%) | Univariate analysis | Multivariate analysis |
||
|---|---|---|---|---|---|
| P-value | Hazard function | 95.0% CI | P-value | ||
| HALN + | 41 (20.8%) | 0.659 | |||
| LN ratio >0.2 | 82 (41.6%) | 0.001a | 1.129 | 1.0–1.2 | 0.012b |
| Well differentiated | 14 (10.5%) | 0.043a | 0.680 | 0.34–1.1 | 0.077 |
| Moderately differentiated | 88 (66.2%) | Reference group | |||
| Poorly differentiated | 31 (23.3%) | 1.090 | 1.02–1.33 | 0.029b | |
| Vascular invasion | 15 (7.9%) | 0.026a | 1.060 | 0.5–2.1 | 0.139 |
| Microscopically positive margins | 29 (14.7%) | 0.700 | |||
| Perineural invasion | 112 (79.4%) | 0.800 | |||
| Lymphovascular invasion | 88 (62.8%) | 0.200 | |||
a
Significant on univariate analysis (P ≤ 0.05).
b
Significant on multivariate analysis (P ≤ 0.05).
95% CI, 95% confidence interval; HALN, hepatic artery lymph node; LN, lymph node.