Table III.
Univariate and multivariate analyses for risk factors related to metastasis.
| Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
| Variable | P-value | HR | 95% CI | P-value | HR | 95% CI |
| CD147 (positive vs. negative) | 0.013a | 6.720 | 1.50–30.07 | 0.028a | 7.842 | 1.24–49.41 |
| Differentiation type (poor or moderate vs. well) | 0.087 | 3.690 | 0.83–16.51 | 0.079 | 5.974 | 0.81–43.98 |
| Vessel invasion (positive vs. negative) | 0.202 | 4.190 | 0.46–37.94 | 0.197 | 5.343 | 0.42–68.13 |
| Lymphatic vessel invasion (positive vs. negative) | 0.554 | 1.580 | 0.35–7.18 | 0.632 | 0.598 | 0.07–4.89 |
| Perineural invasion (positive vs. negative) | 0.381 | 1.880 | 0.46–7.66 | 0.442 | 0.470 | 0.07–3.23 |
| Invasive depth (≥5 vs. <5 mm) | 0.853 | 1.140 | 0.29–4.44 | 0.705 | 0.705 | 0.11–4.32 |
a
P<0.05 by univariate and multivariate logistic regression analyses. HR, hazard ratio; CI, confidence interval; CD147, cluster of differentiation 147.