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Table 2 Breast cancer detection method in association with clinical and histopathological characteristics

From: Breast cancer stromal elastosis is associated with mammography screening detection, low Ki67 expression and favourable prognosis in a population-based study

  Detection method  
Marker Screening Interval  
  n (%)* n (%)* p-value**
Age 60.0 (5.7) 60.0 (5.7) NS
Tumour diameter 14.0 (9.9) 16.0 (13.1) NS
Histological type    NS
 Ductal 159 (81) 61 (81)  
 Lobular 23 (12) 10 (14)  
 Other 15 (7) 4 (5)  
Histological grade    <0.001
 Grade 1 63 (32) 12 (16)  
 Grade 2 107 (54) 32 (43)  
 Grade 3 27 (14) 31 (41)  
Nodal status    NS
 N0 136 (69) 45 (60)  
 N1+ 61 (31) 30 (40)  
ER    0.001
 Positive 180 (91) 57 (76)  
 Negative 17 (9) 18 (24)  
PR    NS
 Positive 133 (67) 48 (64)  
 Negative 64 (33) 27 (36)  
HER2    NS
 Negative 184 (93) 65 (87)  
 Positive 13 (7) 10 (13)  
Ki67 (median) 10 (12,9) 12,0 (17,5) NS
  1. *Number of cases (n and %) is given except for age, tumour diameter and Ki67, where median and standard deviation (SD) is given.
  2. **Pearson's Chi-square test except for age, tumour diameter and Ki67 where Mann–Whitney U test was applied.