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Decreased Survival of Glioma Patients with Astrocytoma Grade IV (Glioblastoma Multiforme) Associated with Long-Term Use of Mobile and Cordless Phones

Author

Listed:
  • Michael Carlberg

    (Department of Oncology, University Hospital, Örebro SE-701 85, Sweden)

  • Lennart Hardell

    (Department of Oncology, University Hospital, Örebro SE-701 85, Sweden)

Abstract

On 31 May 2011 the WHO International Agency for Research on Cancer (IARC) categorised radiofrequency electromagnetic fields (RF-EMFs) from mobile phones, and from other devices that emit similar non-ionising electromagnetic fields, as a Group 2B, i.e. , a “possible”, human carcinogen. A causal association would be strengthened if it could be shown that the use of wireless phones has an impact on the survival of glioma patients. We analysed survival of 1678 glioma patients in our 1997–2003 and 2007–2009 case-control studies. Use of wireless phones in the >20 years latency group (time since first use) yielded an increased hazard ratio (HR) = 1.7, 95% confidence interval (CI) = 1.2–2.3 for glioma. For astrocytoma grade IV (glioblastoma multiforme; n = 926) mobile phone use yielded HR = 2.0, 95% CI = 1.4–2.9 and cordless phone use HR = 3.4, 95% CI = 1.04–11 in the same latency category. The hazard ratio for astrocytoma grade IV increased statistically significant per year of latency for wireless phones, HR = 1.020, 95% CI = 1.007–1.033, but not per 100 h cumulative use, HR = 1.002, 95% CI = 0.999–1.005. HR was not statistically significant increased for other types of glioma. Due to the relationship with survival the classification of IARC is strengthened and RF-EMF should be regarded as human carcinogen requiring urgent revision of current exposure guidelines.

Suggested Citation

  • Michael Carlberg & Lennart Hardell, 2014. "Decreased Survival of Glioma Patients with Astrocytoma Grade IV (Glioblastoma Multiforme) Associated with Long-Term Use of Mobile and Cordless Phones," IJERPH, MDPI, vol. 11(10), pages 1-16, October.
  • Handle: RePEc:gam:jijerp:v:11:y:2014:i:10:p:10790-10805:d:41265
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    Citations

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    Cited by:

    1. Sultan Ayoub Meo & Yazeed Alsubaie & Zaid Almubarak & Hisham Almutawa & Yazeed AlQasem & Rana Muhammed Hasanato, 2015. "Association of Exposure to Radio-Frequency Electromagnetic Field Radiation (RF-EMFR) Generated by Mobile Phone Base Stations with Glycated Hemoglobin (HbA1c) and Risk of Type 2 Diabetes Mellitus," IJERPH, MDPI, vol. 12(11), pages 1-10, November.
    2. Lennart Hardell & Michael Carlberg, 2015. "Response to Ahlbom et al. Comments on Hardell and Carlberg Increasing Rates of Brian Tumors in the Swedish National Inpatient Register and the Causes of Death Register. Int. J. Environ. Res. Public He," IJERPH, MDPI, vol. 12(9), pages 1-5, September.
    3. Lennart Hardell & Michael Carlberg, 2015. "Increasing Rates of Brain Tumours in the Swedish National Inpatient Register and the Causes of Death Register," IJERPH, MDPI, vol. 12(4), pages 1-21, April.
    4. Silvia Groiss & Roland Lammegger & Dagmar Brislinger, 2021. "Anti-Oxidative and Immune Regulatory Responses of THP-1 and PBMC to Pulsed EMF Are Field-Strength Dependent," IJERPH, MDPI, vol. 18(18), pages 1-15, September.

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