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Table 3 Association between surgical margins and mortality by tumor characteristics

From: Surgical margins and survival after head and neck cancer surgery

Therapy Died (N) Alive (N) Odds Ratio (95% CI) Age-sex adjusted OR (95% CI)
Tumor size     
   ≤ 2 cm     
Positive 7 1 0.45 (0.05 – 3.89) 0.41 (0.04 – 4.05)
Negative 63 20   
   > 2 cm     
Positive 4 8 2.47 (0.69 – 8.91) 2.37 (0.58 – 9.75)
Negative 42 34   
TNM Stage     
   0 – III     
Positive 5 5 3.32 (0.92 – 11.99) 3.34 (0.86 – 13.07)
Negative 146 44   
   IV     
Positive 8 10 1.07 (0.35 – 3.29) 0.95 (0.26 – 3.51)
Negative 18 21