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Table 4 Multivariate Analysis; significant factors

From: Brachytherapy of stage II mobile tongue carcinoma. Prediction of local control and QOL

   Relapse free survival Overall survival Cervical metastasis free survival
Variables   AHR P value AHR P value AHR P value
Growth pattern        
  Superficial vs. exophytic 2.17 0.84 4.93 0.06 0.70 0.15
  Superficial vs. invasive 3.15 0.02 7.69 0.02 1.26 <0.001
Tumor thickness (mm)        
  ≤5 vs. 6–10 0.82 0.62 1.02 0.98 2.85 <0.001
  ≤5 vs. 10–15 2.10 0.09 1.25 0.73 3.02 <0.001
  ≤5 vs. > 15 1.24 0.66 1.93 0.33 5.47 <0.001
AHR: adjusted hazard ratio