CMAJ: Study on the incidence of cancer in children in Canada during the COVID-19 pandemic (No. 26)

Background: Some people worry that the new coronary pneumonia pandemic disrupts patients' access to medical care and access to medical care, and affects the diagnosis and management of other diseases such as cancer

After 2021, the incidence of cancer in adults has dropped by 50%

Results: The quarterly age-standardized incidence rates of COVID-19 were 157.

Table 1 Results of the intervention autoregressive integrated moving average model, which summarizes the association between the COVID-19 pandemic and the monthly age-standardized incidence rate of new pediatric cancer diagnoses per million population

Table 1 Results of the intervention autoregressive integrated moving average model, which summarizes the association between the COVID-19 pandemic and the monthly age-standardized incidence rate of new pediatric cancer diagnoses per million population

Figure 1 Observation and prediction of the monthly age-standardized incidence rate (ASIRs) of newly diagnosed cancers per million children, overall and stratified by cancer type: A) all cancers combined, B) leukemia and lymphoma, C) central nervous system tumors And D) Extracranial solid tumors

Figure 1 Observation and prediction of the monthly age-standardized incidence rate (ASIRs) of newly diagnosed cancers per million children, overall and stratified by cancer type: A) all cancers combined, B) leukemia and lymphoma, C) central nervous system tumors And D) Extracranial solid tumors

Figure 2 Monthly age-standardized incidence rates (ASIRs) per million of all childhood cancers observed and predicted by geographic region: A) Atlantic Province (Nova Scotia, Prince Edward Island, New Brunswick, Newfoundland) And Labrador), B) Quebec, C) Ontario, D) Prairie Province (Manitoba, Saskatchewan and Alberta) and E) British Columbia

Figure 2 Monthly age-standardized incidence rates (ASIRs) per million of all childhood cancers observed and predicted by geographic region: A) Atlantic Province (Nova Scotia, Prince Edward Island, New Brunswick, Newfoundland) And Labrador), B) Quebec, C) Ontario, D) Prairie Province (Manitoba, Saskatchewan and Alberta) and E) British Columbia

Table 2 The proportion of children who participated in clinical trials who had metastatic disease at the time of cancer diagnosis and died within 30 days

Table 2 The proportion of children who participated in clinical trials who had metastatic disease at the time of cancer diagnosis and died within 30 days

Conclusion: During the first 9 months of the COVID-19 pandemic, we did not observe a statistically significant change in the incidence of childhood cancer or the proportion of children who participated in clinical trials, showed metastatic disease or died prematurely.

During the first 9 months of the COVID-19 pandemic, we did not observe a statistically significant change in the incidence of childhood cancer or the proportion of children who participated in clinical trials, showed metastatic disease or died prematurely, the report shows , In Canada, the chances of childhood cancer patients' access to medical care have not been significantly reduced

Pelland-Marcotte MC, Xie L, Barber R, Elkhalifa S,et al.

Incidence of childhood cancer in Canada during the COVID-19 pandemic.


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