Bone Pain and Skeletal Metastasis in Breast Cancer Patients
Author Information
Author(s): Koizumi Mitsuru, Yoshimoto Masataka, Kasumi Fujio, Iwase Takuji, Ogata Etsuro
Primary Institution: Cancer Institute Hospital, Tokyo, Japan
Hypothesis
Does the presence of bone pain in breast cancer patients with skeletal metastasis affect their survival and incidence of skeletal-related events?
Conclusion
Breast cancer patients diagnosed with skeletal metastasis without pain had fewer skeletal-related events and better survival rates than those with pain.
Supporting Evidence
- Patients without pain had fewer skeletal-related events (SREs) than those with pain.
- Patients without pain survived longer than those with pain.
- The presence of bone pain was a significant predictor of SRE.
- The study included 666 patients diagnosed with skeletal metastasis.
Takeaway
If breast cancer patients have skeletal metastasis but no pain, they tend to do better and have fewer problems than those who do have pain.
Methodology
The study analyzed data from breast cancer patients who developed skeletal metastasis, comparing those with and without bone pain using statistical methods like Kaplan-Meier and Cox's analysis.
Potential Biases
Potential lead time and length time biases could affect the results.
Limitations
The study was retrospective and lacked detailed information on tumor grade and HER2/neu status.
Participant Demographics
Breast cancer patients who underwent surgery between 1988 and 1998.
Statistical Information
P-Value
p<0.0001
Confidence Interval
95% CI 1.930-2.815 for SRE; 95% CI 1.211-1.715 for CSD
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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