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Table 1 Patients characteristics and tumour parameters

From: Nottingham Prognostic Index in Triple-Negative Breast Cancer: a reliable prognostic tool?

Variable (N= 467)

Data

Age at Diagnosis, years

 

   Mean and standard deviation

59 ± 13

   Range

64 (Min 28; Max 92)

Tumour Size (cm)

 

   Mean and standard deviation

3.110 cm ± 2.00 cm

   Range

15.6 (Min 0.4; max 16)

   T1: < 2 cm

101 (24.7%)

   T2: 2-5 cm

245 (59.9%)

   T3: > 5 cm

63 (15.4%)

   Not assessed

58

Lymph Node Invasion

 

   Present

207 (56.6%)

   Absent

159 (43.4%)

   Not assessed

101

Histological Grade

 

   Grade I

81 (18.3%)

   Grade II

135 (30.5%)

   Grade III

227 (51.2%)

   Not assessed

24

Oestrogen receptor

 

   Positive

309 (66.5%)

   Negative

156 (33.5%)

   Not assessed

2

Progesterone Receptor

 

   Positive

228 (48.9%)

   Negative

238 (51.1%)

   Not assessed

1

HER2

 

   Positive

68 (14.7%)

   Negative

395 (85.3%)

   Not assessed

4

Nottingham Prognostic Index

 

   NPI < 3.4

99 (24.4%)

   3.4 ≤ NPI ≤ 5.4

188 (46.4%)

   NPI > 5.4

118 (29.2%)

   Not assessed

62

Molecular Subtype

 

   Luminal

343 (73.6%)

   HER2 Over-expressing

33 (7.1%)

   Triple Negative

90 (19.3%)