Table 2 Use of cellular and cordless phones and odds ratio (OR) and 95 % confidence intervals (CI) for different tumour types.
From: Tumour risk associated with use of cellular telephones or cordless desktop telephones
> 1 year latency | > 5 years latency | > 10 years latency | |||||||
|---|---|---|---|---|---|---|---|---|---|
Study, period | Analogue OR CI | Digital OR CI | Cordless OR CI | Analogue OR CI | Digital OR CI | Cordless OR CI | Analogue OR CI | Digital OR CI | Cordless OR CI |
CNS 1994–1996 [2,3] | |||||||||
-All | 0.9 0.6–1.4 | 1.0 0.6–1.5 | NA | 0.8 0.5–1.4 | 0.3 0.03–2.1 | NA | 1.2 0.6–2.6 | -* | NA |
CNS 1997–2003 [8,9] | |||||||||
-All | 1.5 1.3–1.9 | 1.2 1.03–1.4 | 1.3 1.1–1.5 | 1.7 1.3–2.1 | 1.6 1.2–2.0 | 1.6 1.3–1.9 | 2.2 1.6–3.0 | 2.8 1.5–5.3 | 1.9 1.2–2.9 |
-Benign, all | 1.6 1.3–2.0 | 1.2 0.96–1.4 | 1.2 1.01–1.4 | 1.7 1.3–2.3 | 1.3 0.99–1.8 | 1.5 1.2–1.9 | 1.9 1.3–2.8 | 2.2 0.99–4.9 | 1.6 0.9–2.7 |
-Meningoma | 1.3 0.99–1.7 | 1.1 0.9–1.3 | 1.1 0.9–1.4 | 1.3 0.98–1.8 | 1.2 0.9–1.7 | 1.5 1.1–1.9 | 1.6 1.04–2.6 | 1.8 0.7–4.6 | 1.8 1.01–3.2 |
-Acoustic neuroma | 2.9 2.0–4.3 | 1.5 1.1–2.1 | 1.5 1.04–2.0 | 3.2 2.0–4.9 | 1.6 0.9–2.8 | 1.6 1.02–2.6 | 3.2 1.7–6.1 | 0.8 0.1–6.6 | 1.3 0.4–3.8 |
-Malignant, all | 1.5 1.1–1.9 | 1.3 1.1–1.6 | 1.3 1.1–1.6 | 1.6 1.2–2.1 | 1.8 1.3–2.4 | 1.6 1.2–2.1 | 2.4 1.7–3.5 | 3.4 1.6–7.3 | 2.1 1.2–3.5 |
-Astrocytoma, grade I-II | 1.2 0.6–2.2 | 1.4 0.9–2.3 | 1.4 0.9–2.3 | 1.1 0.5–2.3 | 1.5 0.7–3.3 | 1.9 1.03–3.5 | 1.5 0.6–4.1 | 1.3 0.1–13 | 1.8 0.6–5.9 |
-Astrocytoma, grade III-IV | 1.7 1.3–2.3 | 1.5 1.2–1.9 | 1.5 1.1–1.9 | 1.9 1.4–2.7 | 2.5 1.7–3.5 | 2.1 1.5–2.9 | 3.0 2.0–4.6 | 5.2 2.2–12 | 2.7 1.5–5.0 |
Salivary gland tumours 1994–1999 [10] | |||||||||
-All | 0.9 0.6–1.4 | 1.0 0.7–1.5 | 1.0 0.7–1.4 | 0.8 0.4–1.4 | 1.2 0.5–2.8 | 1.1 0.6–2.0 | 0.7 0.3–1.7 | -* | -* |
Non-Hodgkin lymphoma 1999–2002 [11] | |||||||||
-B-cell | 0.9 0.7–1.3 | 1.0 0.8–1.3 | 1.0 0.8–1.3 | 1.0 0.7–1.4 | 0.9 0.7–1.3 | 1.0 0.7–1.3 | 1.0 0.7–1.4 | 1.1 0.4–3.3 | 1.1 0.6–1.8 |
-T-cell | 1.6 0.6–3.8 | 1.4 0.7–2.9 | 1.4 0.6–2.9 | 1.5 0.6–3.7 | 1.9 0.8–4.8 | 2.5 1.1–5.6 | 1.5 0.5–4.3 | 3.0 0.3–34 | 3.2 1.05–9.5 |
Testicular cancer Hardell et al, to be published 1993–1997 | |||||||||
-All | 1.0 0.8–1.3 | 1.2 0.9–1.6 | 1.1 0.8–1.4 | 1.2 0.9–1.8 | 3.4 0.9–13 | 1.1 0.7–1.6 | 1.6 0.7–3.8 | -* | -* |
-Seminoma | 1.2 0.9–1.6 | 1.3 0.9–1.8 | 1.1 0.8–1.5 | 1.5 0.98–2.2 | 4.1 0.97–17 | 1.2 0.7–1.9 | 2.1 0.8–5.0 | -* | -* |
-Non-seminoma | 0.7 0.5–1.1 | 0.9 0.6–1.4 | 1.0 0.7–1.4 | 0.9 0.5–1.6 | 2.3 0.5–12 | 0.9 0.5–1.6 | 0.3 0.04–2.7 | -* | -* |