Randomization in the Canadian National Breast Screening Study: a review for evidence of subversion

JC Bailar, B MacMahon - CMAJ, 1997 - Can Med Assoc
The authors assess the randomization strategy that had been used in the Canadian National
Breast Screening Study (NBSS). Document experts at a private investigation and security …

The review of randomization in the Canadian National Breast Screening Study: is the debate over?

NF Boyd - Cmaj, 1997 - Can Med Assoc
The randomization procedure in the Canadian National Breast Screening Study (NBSS) is
assessed in this issue (see pages 193 to 199) by Drs. John C. Bailar III and Brian …

The randomized trial of mammography screening that was not—A cautionary tale

MJ Yaffe, JM Seely, PB Gordon… - Journal of Medical …, 2022 - journals.sagepub.com
Two randomized trials were conducted in Canada in the 1980s to test the efficacy of breast
cancer screening. Neither of the trials demonstrated benefit. Concerns were raised …

Using an alternative data source to examine randomization in the Canadian National Breast Screening Study

MM Cohen, PA Kaufert, L Macwilliam… - Journal of Clinical …, 1996 - Elsevier
Criticisms of the Canadian National Breast Screening Study (NBSS) assert that reported
findings (more deaths in women aged 40–49 allocated to mammography versus no …

Impediments to recruitment in the Canadian National Breast Screening Study: response and resolution

CJ Baines - Controlled clinical trials, 1984 - Elsevier
Eighteen months after the 1980 initiation of the Canadian National Breast Screening Study
(NBSS)(a multicenter randomized controlled trial that will involve 90,000 women), the …

[CITATION][C] Deficiencies in the analysis of breast cancer screening data

EA Sickles, DB Kopans - JNCI: Journal of the National Cancer …, 1993 - academic.oup.com
Breast cancer is a major, and increasing, public health problem in the United States and
most other industrialized countries. Since there is not yet an established means of …

An overview of the breast cancer screening controversy

DB Kopans - JNCI Monographs, 1997 - academic.oup.com
Randomized controlled studies show that screening mammograms are as important for
women aged 40-49 as for women 50 years old and above. It was the improper use of …

The reluctant participant in a breast cancer screening program.

R Fink, S Shapiro, J Lewison - Public Health Reports, 1968 - ncbi.nlm.nih.gov
3'HE VOLUNTARY screening program for disease is an increasingly important aspect of
public health services, particularly in settings where medical service is provided through …

Minor influence of self-selection bias on the effectiveness of breast cancer screening in case-control studies in the Netherlands

E Paap, A Verbeek, D Puliti… - Journal of medical …, 2011 - journals.sagepub.com
Background Self-selection bias is considered to be a problem when evaluating the
effectiveness of breast cancer service screening in case-control studies. Objective Using the …

Case-control evaluation of breast cancer screening efficacy

DR Friedman, N Dubin - American journal of epidemiology, 1991 - academic.oup.com
The feasibility and validity of using case-control methods to evaluate the efficacy of breast
cancer screening were investigated using data from the Health Insurance Plan of Greater …