Comparative analysis of the associations between solar activity and trends in the incidence of haemoblastoses in Russia, the USA and Canada

Сравнительный анализ связи трендов гемобластозов в России, Соединённых Штатах Америки и Канаде с солнечной активностью
Pinaev S.K. Chizhov A.Y.A. Grjibovski A.M. Pinaeva O.G.
2022 Eco-Vector LLC

Kazan Medical Journal
2022 #103 Issue 6 1005 - 1012 pp.

Background. Identification of the links between hemoblastoses and environmental factors is necessary for the development of preventive measures. Aim. Comparative analysis of the link between hemoblastosis trends in Russia, the USA and Canada and solar activity. Material and methods. The open data on the incidence of hemoblastoses in Canada (1983–2012), the USA (1998–2012) and Russia (1993–2018) was used. To estimate solar activity, the average annual number of sunspots (Wolff numbers) was taken. The relationship between the frequency of hemoblastoses and solar activity was studied using the Pearson correlation analysis in 11 iterations (lag 0–10 years). The results obtained are compared with the data of an earlier study on Russia. Results. In Canada, an association with Wolf numbers was found in the frequency of Hodgkins lymphoma in men (r=0.431, p=0.017, lag 2 years), multiple myeloma in women (r=0.542, p=0.037, lag 1 year), non-Hodgkins lymphomas in men (r =0.538, p=0.038, lag 5 years) and women (r=0.750, p=0.001, lag 5 years), leukemia in men (r=0.707, p=0022, lag 7 years) and women (r=0.817, p=0.004, lag 7 years). In the United States, a relationship with solar activity was established for fluctuations in the incidence of Hodgkins lymphoma in men (r=0.577, p=0.050, lag 5 years) and women (r=0.641, p=0.025, lag 5 years), non-Hodgkins lymphomas in men (r=0.809, p <0.001, lag 3 years) and women (r=0.844, p <0.001, lag 2 years), leukemia in men (r=0.619, p=0.032, lag 1 year). In the Russian population, a relationship between solar activity and the frequency of all forms of hemoblastoses, was previously revealed. Fluctuations in the frequency of leukemia and non-Hodgkins lymphomas in the populations of Russia, the USA and Canada have a strong positive relationship with solar activity. The strength of this association in Hodgkins lymphoma and multiple myeloma ranges from moderate to significant. In all the countries studied, an increase in the incidence of multiple myeloma and leukemia was found, and an increase in the incidence of non-Hodgkins lymphomas was found in Russia and Canada. The trend in the incidence of Hodgkins lymphoma in Russia and Canada has a significant downward trend. Conclusion. Trends in hemoblastoses in Russia, the USA and Canada are strongly related to solar activity.

Hodgkins lymphoma , leukemia , multiply myeloma , non-Hodgkin’s lymphoma , solar activity , trend

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Far Eastern State Medical University, Khabarovsk, Russian Federation
Peoples friendship university of Russia, Moscow, Russian Federation
State Scientific Center of the Russian Federation, Federal Medical Biophysical Center named after A.I. Burnayan, Moscow, Russian Federation
Medical ecological center “Mountain air XXI century”, Moscow, Russian Federation
Northern State Medical University, Arkhangelsk, Russian Federation
М.K. Ammosov North-Eastern Federal University, Yakutsk, Russian Federation
West Kazakhstan Marat Ospanov Medical University, Aktobe, Kazakhstan
M.V. Lomonosov Northern (Arctic) Federal University, Arkhangelsk, Russian Federation

Far Eastern State Medical University
Peoples friendship university of Russia
State Scientific Center of the Russian Federation
Medical ecological center “Mountain air XXI century”
Northern State Medical University
М.K. Ammosov North-Eastern Federal University
West Kazakhstan Marat Ospanov Medical University
M.V. Lomonosov Northern (Arctic) Federal University

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