The DOI matches its Crossref record.
Patterns of Care Related to Age of Breast Cancer Patients
Abstract
We performed a chart review study to determine whether physicians provided less vigorous treatment for elderly patients with breast cancer than for younger patients. Seven hospitals, varying with respect to size, medical school affiliation, and patient socioeconomic status participated in this study. Patterns of breast cancer care were compared with a set of branching logic standards in the form of a criteria map. A chart-based comorbidity index was developed to control for the influence of coexisting diseases on cancer management. Logistic regression analysis of 374 breast cancer cases revealed that both patient age and comorbidity status significantly and independently affected treatment. Among stage I and II patients with no or very mild comorbid disease, 96% of those aged 50 to 69 years received appropriate surgery vs 83% of patients aged 70 years and older. We conclude that physicians may manage patients with this highly treatable disease according to chronologic age without regard for physiological condition and that this age bias may result in a less favorable prognosis than could be achieved using currently recommended therapy.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
A Pooled Analysis of Adjuvant Chemotherapy for Resected Colon Cancer in Elderly Patients
Sargent, D. J., Goldberg, R. M., Jacobson, S. D., Macdonald, J. S., Labianca, R., Haller, D. G., Shepherd, L. E., Seitz, J. F., & Francini, G. (2001) · New England Journal of Medicine · doi:10.1056/nejmoa010957 · Cited by 986
How Good Is the Quality of Health Care in the United States?
Schuster, M. A., McGlynn, E. A., & Brook, R. H. (1998) · The Milbank Quarterly · doi:10.1111/1468-0009.00105 · Cited by 908
Surgery for colorectal cancer in elderly patients: a systematic review
Simmonds, P., Best, L., George, S., Baughan, C., Buchanan, R., Davis, C., Fentiman, I., Gosney, M., Northover, J., & Williams, C. (2000) · The Lancet · doi:10.1016/s0140-6736(00)02713-6 · Cited by 600
(1999) · National Academies Press eBooks · doi:10.17226/6467 · Cited by 526
Old or frail: what tells us more?
Schuurmans, H., Steverink, N., Lindenberg, S., Frieswijk, N., & Slaets, J. P. J. (2004) · The Journals of Gerontology Series A: Biological Sciences and Medical Sciences · doi:10.1093/gerona/59.9.m962 · Cited by 491
Metadata
- Authors
- Greenfield, S.
- Venue
- JAMA: The Journal of the American Medical Association
- Publisher
- American Medical Association (AMA)
- Published
- 1987-05-22
- Volume
- 257
- Issue
- 20
- Pages
- 2766
- ISSN
- 0002-9955 (ISSN-L)
- 0098-7484
- OpenAlex
- W2028565522
- Cited by
- 546
- References
- 0
- FWCI
- 11.00
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Patterns of Care Related to Age of Breast Cancer Patients. https://app.cochat.ai/papers/10.1001/jama.1987.03390200106023
- The paper
- Greenfield, S. (1987). Patterns of Care Related to Age of Breast Cancer Patients. JAMA: The Journal of the American Medical Association. https://doi.org/10.1001/jama.1987.03390200106023
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
