Skip to main content

Table 2 Prognostic factors' distribution among women exposed to screening and non-screen-detected invasive breast cancers

From: Prognosis of screen-detected breast cancers: results of a population based study

Prognostic Factor Exposed to screening n(%) Non-screen-detected n(%) p-value
Tumour size (mm.)    
1–10 231 (48) 102 (24)  
11–20 218 (45) 167 (39)  
21–50 33 (7) 140 (32)  
> 50 -- 20 (5)  
Mean Size 13 19 < 0.0001
Positive Nodal Status 93 (19) 165 (38) < 0.0001
Positive Hormonal Status 403 (84) 313 (73) < 0.05 (0.02)
Proliferative Activity    < 0.0001
LOW 343 (74) 236 (61)  
HIGH 118 (26) 150 (39)  
Grading    <0.0001
1 108 (25) 76 (21)  
2 209 (49) 143 (40)  
3 113 (26) 142 (39)