Article ; Online: Association between medically diagnosed postnatal infection and childhood cancers: A matched case-control study in Denmark, 1978 to 2016.
International journal of cancer
2023 Volume 153, Issue 5, Page(s) 994–1002
Abstract: Although the association between infection and childhood cancer has been long investigated, there is limited information on rarer cancers. This article aimed to explore the association between postnatal infection and childhood cancers in the Danish ... ...
| Abstract | Although the association between infection and childhood cancer has been long investigated, there is limited information on rarer cancers. This article aimed to explore the association between postnatal infection and childhood cancers in the Danish population. A matched case-control study was conducted using Danish nationwide registries from 1978 to 2016. Each childhood cancer case was matched 1:25 with controls by birth date within a week and sex. Postnatal infections were identified from the Danish National Patient Registry, which lists diagnoses seen in hospital, specialist or emergency care services. Multivariable conditional logistic regression was used to estimate adjusted odds ratios (adj.OR) and 95% confidence intervals (CI). Specific types of infections and the number of infection episodes were also considered. The study included 4125 childhood cancer cases and 103 526 matched controls with ages ranging from 0 to 19 years. Medically diagnosed postnatal infections were positively associated with many types of childhood cancer including acute lymphoblastic leukemia (adj.OR = 1.42; 95% CI: 1.23-1.63), acute myeloid leukemia (adj.OR = 1.80; 95% CI: 1.28-2.52), non-Hodgkin lymphoma (adj.OR = 1.53; 95% CI: 1.19-1.97) and central nervous system tumors (adj.OR = 1.57; 95% CI: 1.39-1.77). A higher number of infection episodes were also associated with an increased risk of these cancers. Specific infections such as viral, enteric and urinary tract infections were also strongly associated with specific types of cancer. In conclusion, children who later develop cancer appear to have adverse reactions to infections necessitating referral to specialized health care services, perhaps indicating dysregulated immune function. |
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| MeSH term(s) | Child ; Humans ; Case-Control Studies ; Risk Factors ; Central Nervous System Neoplasms/epidemiology ; Lymphoma, Non-Hodgkin ; Registries ; Denmark/epidemiology |
| Language | English |
| Publishing date | 2023-05-27 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 218257-9 |
| ISSN | 1097-0215 ; 0020-7136 |
| ISSN (online) | 1097-0215 |
| ISSN | 0020-7136 |
| DOI | 10.1002/ijc.34604 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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