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Table 4 Association between surgical margins and mortality by surgical treatment in cases with tongue or larynx cancer

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

Therapy Died (N) Alive (N) Mortality (%) Odds Ratio (95% CI) Age-sex adjusted OR (95% CI)
All cases      
   Positive 15 13 53.6 2.85 (1.19 – 6.89) 2.97 (1.29 – 6.84)
   Negative 67 166 28.8   
Surgery only      
   Positive 3 4 42.9 2.38 (0.33 – 14.85) 2.20 (0.42 – 11.55)
   Negative 35 112 23.8   
Surgery + adjuvant radiotherapy      
   Positive 12 9 57.1 2.23 (0.77 – 6.74) 1.98 (0.68 – 5.84)
   Negative 32 54 37.2