Pooled analysis of two case-control studies on the use of cellular and cordless telephones and the risk of benign brain tumours diagnosed during 1997-2003

  • Authors:
    • Lennart Hardell
    • Michael Carlberg
    • Kjell Hansson Mild
  • View Affiliations

  • Published online on: February 1, 2006     https://doi.org/10.3892/ijo.28.2.509
  • Pages: 509-518
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Abstract

The use of cellular and cordless telephones and the risk of brain tumours is of concern since the brain is a high exposure area. We present the results of a pooled analysis of two case-control studies on benign brain tumours diagnosed during 1997-2003 including answers from 1,254 (88%) cases and 2,162 (89%) controls aged 20-80 years. For acoustic neuroma, the use of analogue cellular phones gave an odds ratio (OR) of 2.9 and a 95% confidence interval (CI) of 2.0-4.3; for digital cellular phones, OR=1.5; 95% CI=1.1-2.1; and for cordless telephones, OR=1.5, 95% CI=1.04-2.0. The highest OR was found for analogue phones with a latency period of >15 years; OR=3.8, 95% CI=1.4-10. Regarding meningioma, the results were as follows: for analogue phones, OR=1.3, 95% CI=0.99-1.7; for digital phones, OR=1.1, 95% CI=0.9-1.3; and for cordless phones, OR=1.1, 95% CI=0.9-1.4. In the multivariate analysis, a significantly increased risk of acoustic neuroma was found with the use of analogue phones.

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February 2006
Volume 28 Issue 2

Print ISSN: 1019-6439
Online ISSN:1791-2423

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APA
Hardell, L., Carlberg, M., & Hansson Mild, K. (2006). Pooled analysis of two case-control studies on the use of cellular and cordless telephones and the risk of benign brain tumours diagnosed during 1997-2003. International Journal of Oncology, 28, 509-518. https://doi.org/10.3892/ijo.28.2.509
MLA
Hardell, L., Carlberg, M., Hansson Mild, K."Pooled analysis of two case-control studies on the use of cellular and cordless telephones and the risk of benign brain tumours diagnosed during 1997-2003". International Journal of Oncology 28.2 (2006): 509-518.
Chicago
Hardell, L., Carlberg, M., Hansson Mild, K."Pooled analysis of two case-control studies on the use of cellular and cordless telephones and the risk of benign brain tumours diagnosed during 1997-2003". International Journal of Oncology 28, no. 2 (2006): 509-518. https://doi.org/10.3892/ijo.28.2.509