Table 1

Population of eligible women used in final analysis, Sartorius Cohort 1970–1991.


3203
Total number in tracking database

(- 159)
No cytology results at all

(- 200)
Results from histology only, no NAF attempted

(- 364)
With breast cancer within 6-months of most severe NAF result
TOTAL # ELIGIBLE
2480
With NAF results and no breast cancer within 6-months of severe NAF result visit (note: this includes 9 women with breast cancer dates unknown)


Subset of women used in this analysis:

712
Women with questionnaire data

238
Women seen 1/01/1988 or after

950


(- 3)
"Unable to classify" NAF result

(- 1)
Age missing (NAF date missing)
Total number in model
946

Total number not in model
1534


Baltzell et al. BMC Cancer 2008 8:75   doi:10.1186/1471-2407-8-75