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Table 1

Patient and tumour characteristics by category and CA IX expression

nCA IX expressiona Median (range)
Age (yr) (median, 62) (range, 17–92)   
 >62 39 20% (0–80%) 
 <62 40 20% (0–90%) 
Sex   
 Male 54 20% (0–90%) 
 Female 25 15% (0–90%) 
Site   
 Oral cavity 31 20% (0–90%) 
 Oropharynx 23 30% (0–75%) 
 Larynx 16 7.5% (0–80%) 
 Hypopharynx 25% (0–75%) 
Stage   
 T1 5% (0–20%) 
 T2 20 20% (0–75%) 
 T3 18 27.5% (0–90%) 
 T4 32 20% (0–90%) 
Nodal stage   
 N0 38 20% (0–90%) 
 N+ 41 20% (0–80%) 
Grade   
 Well differentiated 12 25% (0–75%) 
 Moderately differentiated 57 20% (0–90%) 
 Poorly differentiated 10 10% (0–60%) 
Margin   
 Pushing 49 30% (0–90%) 
 Infiltrating 27 15% (0–80%) 
 Unable to assess  
Necrosis (median, 5%) (range, 0–75%)   
 Low (<5%) 46 15% (0–75%) 
 Moderate (5–25%) 26 30% (0–90%) 
 High (>25%) 60% (5–90%) 
MVD (median, 6%) (range, 0–7)   
 Low (<5.7) 46 10% (0–90%) 
 High (>6) 30 35% (0–90%) 
nCA IX expressiona Median (range)
Age (yr) (median, 62) (range, 17–92)   
 >62 39 20% (0–80%) 
 <62 40 20% (0–90%) 
Sex   
 Male 54 20% (0–90%) 
 Female 25 15% (0–90%) 
Site   
 Oral cavity 31 20% (0–90%) 
 Oropharynx 23 30% (0–75%) 
 Larynx 16 7.5% (0–80%) 
 Hypopharynx 25% (0–75%) 
Stage   
 T1 5% (0–20%) 
 T2 20 20% (0–75%) 
 T3 18 27.5% (0–90%) 
 T4 32 20% (0–90%) 
Nodal stage   
 N0 38 20% (0–90%) 
 N+ 41 20% (0–80%) 
Grade   
 Well differentiated 12 25% (0–75%) 
 Moderately differentiated 57 20% (0–90%) 
 Poorly differentiated 10 10% (0–60%) 
Margin   
 Pushing 49 30% (0–90%) 
 Infiltrating 27 15% (0–80%) 
 Unable to assess  
Necrosis (median, 5%) (range, 0–75%)   
 Low (<5%) 46 15% (0–75%) 
 Moderate (5–25%) 26 30% (0–90%) 
 High (>25%) 60% (5–90%) 
MVD (median, 6%) (range, 0–7)   
 Low (<5.7) 46 10% (0–90%) 
 High (>6) 30 35% (0–90%) 
a

As a percentage of the tumour area involved.

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