Table 7

Number of cases and percentage agreement between National Health Service Breast Screening Programme and Office for National Statistics in relation to invasive ductal carcinoma, ductal carcinoma in situ and other invasive and non-invasive histologies in participants of the Million Women Study

NHSBSP assigned histology code


Invasive ductal carcinoma

Ductal carcinoma in situ


ONS histology

Invasive ductal carcinoma

3,017

88%

101

8%

Other specified invasive histology

167

5%

8

<1%

Other non-specified invasive histology

224

6%

31

3%

Ductal carcinoma in situ

30

<1%

976

82%

Other specified non-invasive histology

1

<1%

30

3%

Other non-specified non-invasive histology

3

<1%

45

4%

Total

3,442

100%

1,191

100%


NHSBSP, National Health Service Breast Screening Programme; ONS, Office for National Statistics.

Gathani et al. Breast Cancer Research 2005 7:R1090   doi:10.1186/bcr1352

Open Data