Childhood Leukaemia and Possible Infectious Agents
Author Information
Author(s): F.E. Alexander
Primary Institution: Leukaemia Research Fund Centre for Clinical Epidemiology, Royal South Hants Hospital
Hypothesis
Transmission of a specific, though unknown, agent plays some role in the development of childhood acute lymphoblastic leukaemia.
Conclusion
The study provides indirect evidence that some cases of childhood acute lymphoblastic leukaemia may be linked to exposure to an infectious agent around the time of birth.
Supporting Evidence
- Statistical analyses showed consistent, though weak, evidence of spatial clustering of leukaemia cases.
- Children diagnosed at older ages were more likely to have been exposed to an infectious agent around the time of birth.
- Recent studies suggest that horizontal transmission of infectious agents may contribute to childhood leukaemia.
Takeaway
Some kids might get sick with leukaemia because they were exposed to a germ before they were born or when they were very young.
Methodology
The study analyzed incidence data from the UK national children's tumour registry using various statistical methods to test for spatial clustering and space-time interactions.
Potential Biases
Potential biases may arise from inaccuracies in the data collection process.
Limitations
The analysis assumes that location at birth is the same as that at diagnosis, which may lead to errors.
Participant Demographics
Children diagnosed with acute lymphoblastic leukaemia in the UK from 1968 to 1983.
Statistical Information
P-Value
0.0002
Statistical Significance
p<0.05
Want to read the original?
Access the complete publication on the publisher's website