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Table 2 Patient and tumour characteristics

From: The significance of the Van Nuys prognostic index in the management of ductal carcinoma in situ

Characteristic N %
Age at diagnosis   
   <60 104 48
   ≥ 60 111 52
Histological subtype   
   Comedo 54 25
   Cribriform 49 23
   Solid 7 3
   Papillary 22 10
   Mixed 49 23
   Not specified 34 16
Nuclear grade   
   Low 69 32
   Intermediate 51 24
   High 95 44
Comedo necrosis   
   Yes 84 39
   No 130 60
   Not specified 1 <1
Tumour size (mm)   
   <5 46 21
   5–10 63 29
   11–20 55 26
   >20 34 16
   Not specified 17 8
Closest margin (mm)   
   <1 65 30
   1–5 102 47
   >5 30 15
   Not specified 18 8
Re-excision   
   Yes 72 33
   No 143 67
VNPI   
   3–4 61 29
   5–7 104 48
   8–9 20 9
   Not specified 30 14