Long-term survival in lung cancer patients after 5 years
Author Information
Author(s): Pasini F, Verlato G, Durante E, de Manzoni G, Valduga F, Accordini S, Pedrazzani C, Terzi A, Pelosi G
Primary Institution: Università degli Studi di Verona, Italy
Hypothesis
Do patients with stage I non-small-cell lung cancer who are disease-free after 5 years have a higher incidence of new cancers compared to the general population?
Conclusion
Patients with stage I non-small-cell lung cancer who are disease-free after 5 years have a higher incidence of new lung cancers, leading to increased mortality.
Supporting Evidence
- Patients disease-free at 5 years had a 10-year disease-related survival rate of 57%.
- 26 patients (19.4%) developed a second cancer after 5 years, significantly higher than expected.
- The overall SMR was 1.73, indicating increased mortality compared to the general population.
- Mortality due to lung cancer was nearly six times higher than expected in the study population.
Takeaway
If you have lung cancer but are healthy after 5 years, you might still get new cancers later, which can be dangerous.
Methodology
The study followed 134 patients with stage I NSCLC who were disease-free at 5 years, comparing their morbidity and mortality rates with the general population.
Potential Biases
Potential bias due to the retrospective nature of the study and reliance on patient follow-up data.
Limitations
The study is limited to a single institution and may not represent all patients with stage I NSCLC.
Participant Demographics
134 patients (18 females and 116 males) with a median age of 62 years.
Statistical Information
P-Value
p<0.0001
Confidence Interval
95% CI=1.6–3.5
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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