Survival and Prognostic Factors in Differentiated Thyroid Cancer
Author Information
Author(s): S.O. Thoresen, L.A. Akslen, E. Glattre, T. Haldorsen, E.V. Lund, M. Schoultz
Primary Institution: The Cancer Registry of Norway, Montebello, Oslo; Department of Pathology, The Gade Institute, University of Bergen, Norway.
Hypothesis
What are the significant prognostic factors affecting survival in differentiated thyroid cancer?
Conclusion
Stage and age are the only significant prognostic factors for survival in differentiated thyroid cancer patients.
Supporting Evidence
- Age and stage were found to be the only significant prognostic factors.
- Patients with localized disease had excellent prognosis after 5 and 10 years.
- Females showed higher survival rates compared to males in younger age groups.
Takeaway
This study looked at over a thousand patients with thyroid cancer and found that how old you are and what stage your cancer is at are the most important things that affect how long you might live.
Methodology
Multivariate analysis using a generalised linear model (GLIM) to assess the influence of age, stage, sex, and histology on survival.
Potential Biases
Potential bias due to selection of patients by treatment mode and place.
Limitations
The study may have inconsistencies in coding of lymph node involvement and extrathyroidal extension, and it excluded patients over 75 years due to unreliable survival estimates.
Participant Demographics
The study included 803 females and 252 males, with a higher proportion of females under 55 years.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
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