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Table 3 Multivariate logistic regression model of predictive risk factors for DNM

From: Expression of Oct3/4 and Nanog in the head and neck squamous carcinoma cells and its clinical implications for delayed neck metastasis in stage I/II oral tongue squamous cell carcinoma

Step Variable Odds ratio 95 % confidence interval P value
Step 1     
  Oct3/4 8.378 1.243–56.486 0.029*
  Nanog 6.092 0.688–53.953 0.104
  Vascular invasion+ 6.135 0.585–64.284 0.130
  Mode of invasion, grade 3,4 2.843 0.326–24.785 0.344
  Muscular invasion+ 1.773 0.196–16.049 0.610
Step 2     
  Oct3/4 8.207 1.223–55.057 0.030*
  Nanog 6.747 0.818–55.645 0.076
  Vascular invasion+ 7.550 0.819–69.634 0.075
  Mode of invasion, grade 3,4 3.636 0.510–25.934 0.198
Step 3     
  Oct3/4 10.872 1.765–66.963 0.010*
  Nanog 5.397 0.750–38.852 0.094
  Vascular invasion+ 10.151 1.018–101.262 0.048*
Step 4 (The final step)    
  Oct3/4 14.781 2.694–81.102 0.002*
  Vascular invasion+ 12.934 1.568–106.684 0.017*
  1. *Statistically significant