Table 4 Results of the multivariate analysis.

From: Risk factors for distant metastasis in locoregionally controlled oral squamous cell carcinoma: a retrospective study

Variables

HR (95% CI)

p value

Primary site

 

< 0.001*

 PIOC of the mandible

7.200 (2.458–21.091)

 Others

1.000 (Reference)

Level of metastatic node

 

< 0.001*

 No metastasis or I + II + III

1.000 (Reference)

 IV + V

6.763 (2.934–15.588)

ENE

 

< 0.001*

 No

1.000 (Reference)

 Yes

8.036 (3.707–17.421)

  1. PIOC, primary intraosseous carcinoma; ENE, extranodal extension; HR, hazard ratio; CI, confidence interval.
  2. *Significant at p < 0.05.
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