Sentence examples for mammogram screening program from inspiring English sources
Women in the mammogram screening program are the reference group.
Program = received at least one mammogram within the screening program.
RR calculated for women who reported never having a mammogram (never) and those who only had mammograms outside the screening program (outside program).
Women who reported only having had mammograms outside the screening program had the highest cumulative rate of breast cancer.
The combined group of all women without a screening program mammogram (never had a mammogram or only outside screening) versus the program group showed an age-adjusted relative risk of 0∙93 (0∙79 to 1∙10).
The NOWAC questions before 2005 made it possible to perform the analyses taking into account three groups: the program group of women with at least one mammogram in the NBCSP, the outside group of women with mammograms only outside the screening program, and the never group of women who reported never having a mammogram.
Women who had received a mammogram only outside the screening program had a slightly higher, although also non-significant, age-adjusted relative risk for a breast cancer diagnosis compared to those in the screening program (RRadj = 1∙04, 0∙86 to 1∙26).
It is unknown if some women in the control group may have had a screening program mammogram after their last questionnaire, although the small retest group suggests low bias.
Outside program = received a mammogram, but only outside the screening program.
The screening program keeps mammogram registers with data from participants and the final outcome of screening.
An initial cohort of potential study cases was identified by chart review and comprised patients over 50 years of age who received a screening mammogram at the Manitoba Provincial Screening Program between 1996 and 2000 that had led to a subsequent breast biopsy at either St Boniface Hospital or the Health Sciences Center, Winnipeg, Manitoba, to remove a mammographically detected lesion.
