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Portada del sitio > Documentos > Estudios Científicos > Nuevo estudio sueco sobre utilización de teléfonos móviles e inalámbricos y (...)

La probablidad de contraer un tumor maligno por los usuarios se multiplica por 2,4.

Nuevo estudio sueco sobre utilización de teléfonos móviles e inalámbricos y tumores cerebrales. "Pooled analysis of two case-control studies on use of cellular and cordless telephones and the risk for malignant brain tumours diagnosed in 1997-2003"

Se resalta la importancia del periodo de latencia y del número de horas de llamadas que actúa de forma acumulativa.

Miércoles 5 de abril de 2006 · 2081 lecturas

Abstract Objectives: To study the use of cellular and
cordless telephones and the risk for malignant brain
tumours. Methods: Two case-control studies on malignant
brain tumours diagnosed during 1997-2003 included
answers from 905 (90%) cases and 2,162 (89%)
controls aged 20-80 years. We present pooled analysis
of the results in the two studies. Results: Cumulative
lifetime use for >2,000 h yielded for analogue cellular
phones odds ratio (OR)=5.9, 95% confidence interval
(CI)=2.5-14, digital cellular phones OR=3.7, 95%
CI=1.7-7.7, and for cordless phones OR=2.3, 95%
CI=1.5-3.6. Ipsilateral exposure increased the risk for
malignant brain tumours; analogue OR=2.1, 95%
CI=1.5-2.9, digital OR=1.8, 95% CI=1.4-2.4, and
cordless OR=1.7, 95% CI=1.3-2.2. For high-grade
astrocytoma using >10 year latency period analogue
phones yielded OR=2.7, 95% CI=1.8-4.2, digital
phones OR=3.8, 95% CI=1.8-8.1, and cordless phones
OR=2.2, 95% CI=1.3-3.9. In the multivariate analysis
all phone types increased the risk. Regarding digital
phones OR=3.7, 95% CI=1.5-9.1 and cordless phones
OR=2.1, 95% CI=0.97-4.6 were calculated for malignant
brain tumours for subjects with first use <20 years
of age, higher than in older persons. Conclusion: Increased
risk was obtained for both cellular and cordless
phones, highest in the group with >10 years latency
period.

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