Skip to main content

Table 6 Odds ratios (95% confidence interval) of prognostic factors among invasive breast cancers according to molecular phenotype, Nurses' Health Study (1976 to 1996)

From: Comparison of molecular phenotypes of ductal carcinoma in situand invasive breast cancer

Tumour type Luminal A Luminal B Her2 type Basal Unclassified
  n OR n OR (95%CI) n OR (95%CI) n OR (95%CI) n OR (95%CI)
Tumour size a,b           
≤ 2.0 cm 1025   54   48   107   57  
>2.0 cm 537 1.0 (Ref) 55 1.9 (1.3 to 2.8) 68 2.6 (1.8 to 3.9) 119 2.0 (1.5 to 2.7) 44 1.4 (0.9 to 2.1)
Tumour grade a           
Low/Intermediate 478   26   21   33   16  
High 252 1.0 (Ref) 20 1.4 (0.8 to 2.6) 43 3.6 (2.1 to 6.3) 99 5.3 (3.5 to 8.1) 30 3.4 (1.8 to 6.4)
Nodal status a,b           
No nodes 1103   72   61   145   70  
Any nodes 547 1.0 (Ref) 44 1.2 (0.8 to 1.7) 67 2.1 (1.5 to 3.1) 100 1.3 (1.0 to 1.7) 40 1.1 (0.7 to 1.6)
Menopausal status           
Postmenopausal 1289   76   97   187   83  
Premenopausal 334 1.0 (Ref) 35 1.8 (1.2 to 2.7) 27 1.1 (0.7 to 1.7) 51 1.1 (0.8 to 1.5) 25 1.2 (0.7 to 1.8)
  1. aAdjusted for age (five-year categories).bTumour characteristics abstracted from medical pathology reports. CI, confidence interval; OR, odds ratio.