Cancer Decline Patterns at the End of Life
Author Information
Author(s): Massimo Costantini, Monica Beccaro, Irene J Higginson
Primary Institution: Regional Palliative Care Network, National Cancer Research Institute
Hypothesis
Is there a trajectory of stable disease followed by rapid decline in cancer at the end of life, and do these trajectories differ by age, gender, and primary cancer diagnosis?
Conclusion
The study suggests that functional decline in cancer patients begins around 12 weeks before death, consistent across age groups.
Supporting Evidence
- 94% of patients were free from functional disability 52 weeks before death.
- The probability of being free from disability decreased to 49% at 6 weeks before death.
- Older patients (85+) had a higher proportion of disability one year before death.
Takeaway
As cancer patients get closer to death, they start to lose their ability to do things for themselves, especially about three months before they die.
Methodology
A mortality follow-back survey was conducted with a random sample of caregivers of cancer patients to assess functional decline before death.
Potential Biases
Different types of caregivers may report disability differently, potentially affecting the results.
Limitations
The study relies on retrospective reports from caregivers, which may be subject to recall bias.
Participant Demographics
Most patients were at least 65 years old at death, with 57.4% being men and 66.9% having completed only primary school.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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