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Seasonality in Pediatric Cancer
Rubayed Nurullah1, Stefan Kuhle2, Bryan Maguire2
1Division of Hematology Oncology, Department of Pediatrics, IWK Health Centre, 5850/5980 University Avenue, Halifax, Nova Scotia, B3K 6R8, Canada.
Indian Journal of Pediatrics
|December 15, 2017
Summary
This study found no significant seasonal variation in pediatric cancer diagnoses at the IWK Health Centre. Investigating seasonal trends in childhood cancer incidence is crucial for understanding potential environmental or etiological factors.
Area of Science:
- Pediatric Oncology
- Epidemiology
- Cancer Research
Background:
- Seasonal variations in pediatric cancer incidence have been investigated, but findings remain inconclusive.
- Identifying seasonal trends could offer etiological insights into childhood cancers.
Purpose of the Study:
- To determine if seasonal variations exist in cancer diagnoses among pediatric patients at the IWK Health Centre.
- To analyze seasonal patterns across different pediatric cancer types.
Main Methods:
- Retrospective analysis of pediatric cancer diagnoses (ages 0-20) from 1995-2015 at IWK Health Centre.
- Data divided into four seasonal periods; diagnoses categorized (leukemia, lymphoma, sarcoma, brain tumors, miscellaneous).
- Seasonal variation assessed using Poisson regression and harmonic function; incidence rate ratios (IRR) calculated.
Main Results:
- Overall incidence rate ratio (IRR) for all pediatric cancers was 1.03 (95% CI 0.96-1.13), indicating no significant seasonal variation.
- IRRs for specific cancer groups (leukemia, lymphoma, sarcoma, brain tumors, miscellaneous) also showed no statistically significant seasonality.
- No discernible seasonal pattern was observed for pediatric cancer diagnoses at the IWK Health Centre.
Conclusions:
- This study did not detect a significant seasonal variation in the diagnosis of pediatric cancers at the IWK Health Centre.
- The findings suggest that seasonal factors do not play a prominent role in the incidence of childhood cancers within this specific Canadian population.
- Further research may be needed to explore other potential etiological factors influencing pediatric cancer development.
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