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Description of studies by Hardell et al on use of cellular and cordless telephones and the risk for tumour diseases. |
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| Study |
Geographical area |
Years |
Included persons |
Response rate |
|
|
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| CNS [2,3] |
Uppsala/Örebro Stockholm |
1994–1996 1995–1996 |
233 cases* 466 controls |
209 (90%) cases 425 (91%) controls |
| CNS [4,5] |
Uppsala/Örebro, Stockholm, Linköping, Göteborg |
Jan 1, 1997 – June 30, 2000 |
1617 cases 1617 controls |
1429 (88%) cases 1470 (91 %) controls |
| CNS, benign [6] |
Uppsala/Örebro, Linköping |
July 1, 2000 – Dec 31, 2003 |
462 cases** 820 controls |
413 (89 %) cases 692 (84 %) controls |
| CNS, malignant [7] |
Uppsala/Örebro, Linköping |
July 1, 2000 – December 31, 2003 |
359 cases** 820 controls |
317 (88 %) cases 692 (84 %) controls |
| Salivary gland tumours [10] |
Stockholm, Linköping Uppsala/Örebro Umeå, Göteborg, Lund |
Jan 1, 1994 – Dec 31, 1999 Jan 1, 1994 – June 30, 2000 Jan 1, 1994 – June 30, 1999 |
293 cases 1172 controls |
267 (91%) cases 1053 (90%) controls |
| Non-Hodgkin lymphoma [11] |
Umeå, Örebro, Linköping, Lund |
Dec 1, 1999 – April 30, 2002 |
995 cases 1108 controls |
910 (91%) cases 1016 (92%) controls |
| Testicular cancer Hardell et al to be published |
Whole Sweden |
1993 – 1997 |
981 cases 981 controls |
889 (91%) cases 870 (89%) controls |
|
* One case had two benign brain tumours. ** One case had both a malignant and a benign brain tumour | ||||
Hardell et al. World Journal of Surgical Oncology 2006 4:74 doi:10.1186/1477-7819-4-74 |
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