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Table 3 Characteristics of breast cancers diagnosed from 2004 to 2005 by the method of detection (screening vs. clinical)

From: HER-2 positive breast cancer: decreasing proportion but stable incidence in Finnish population from 1982 to 2005

 

Proportion detected by screening mammography (%)

Pvalue

All patients *

196/587 (33.4%)

-

HER-2 negative

180/516 (34.9%)

 

HER-2 positive

16/71 (22.5%)

0.039

ER positive

191/536 (35.6%)

 

ER negative

5/51 (9.8%)

< 0.0001

PR positive

171/460 (37.2%)

 

PR negative

25/102 (19.7%)

< 0.0001

Triple negative

4/32 (12.5%)

 

Non-triple negative

192/555 (34.6%)

0.100

  1. * Patients over 50 years old (age group of screening). ER = estrogen receptor; HER2 = human epidermal growth factor receptor 2; PR = progesterone receptor.