COVID-19 and non-Hodgkin's lymphoma: A common susceptibility pattern?
De Matteis Sara1,2, Cosetta Minelli2, Giorgio Broccia3
1Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
Objective:
To explore the link between COVID-19 incidence, socio-economic covariates, and NHL incidence.
Design:
Ecological study design.
Setting:
Sardinia, Italy.
Participants:
We used official reports on the total cases of COVID-19 in 2020, published data on NHL incidence, and socio-economic indicators by administrative unit, covering the whole regional population.
Main Outcomes And Measures:
We used multivariable regression analysis to explore the association between the natural logarithm (ln) of the 2020 cumulative incidence of COVID-19 and the ln-transformed NHL incidence in 1974-2003, weighing by population size and adjusting by socioeconomic deprivation and other covariates.
Results:
The cumulative incidence of COVID-19 increased in relation to past incidence of NHL (p < 0.001), socioeconomic deprivation (p = 0.006), and proportion of elderly residents (p < 0.001) and decreased with urban residency (p = 0.001). Several sensitivity analyses confirmed the finding of an association between COVID-19 and NHL.
Conclusion:
This ecological study found an ecological association between NHL and COVID-19. If further investigation would confirm our findings, shared susceptibility factors should be investigated among the plausible underlying mechanisms.
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