A recent article from the Canadian Task Force on Preventive Health Care contained 2 errors.1 In Table 2, the number of women in the control group of the NBSS-1 trial was 25 216, not 24 216. In Table 3, the compliance with the first exam in the NBSS-1 trial was 99% (86–90% was the compliance with the second round of screening).
Reference
- 1.Ringash J, with the Canadian Task Force on Preventive Health Care. Preventive health care, 2001 update: screening mammography among women aged 40–49 years at average risk of breast cancer. CMAJ 2001;164 (4):469-76. [PMC free article] [PubMed]