Table 3.
Consistency. Numbers of cases (Ca), controls (Co), and odds ratio (OR) with 95% confidence interval (CI) for glioma and latency in three different case-control studies, Interphone 2010 (mobile phone) [2], Coureau et al. 2014 (mobile phone) [39], and Hardell and Carlberg 2015 (wireless phones) [38].
| Interphone Appendix 2 |
Coureau et al. 2014 |
Hardell and Carlberg 2015 |
Meta-analysis | |||||
|---|---|---|---|---|---|---|---|---|
| Ca/Co | OR (95% CI) |
Ca/Co | OR (95% CI) |
Ca/Co | OR (95% CI) |
Ca/Co | OR (95% CI) |
|
| Unexposed∗ | 93/159 | (1.0) — |
107/219 | (1.0) — |
306/1,058 | (1.0) — |
506/1,436 | (1.0) — |
| Latency | ||||||||
| 2–4 years∗∗ | 460/451 | 1.68 (1.16–2.41) |
49/122 | 0.88 (0.56–1.39) |
215/575 | 1.17 (0.95–1.44) |
724/1,148 | 1.22 (0.90–1.66) |
| 5–9 years | 468/491 | 1.54 (1.06–2.22) |
66/111 | 1.34 (0.87–2.06) |
339/799 | 1.27 (1.05–1.54) |
873/1,401 | 1.33 (1.13–1.55) |
| 10+ years | 190/150 | 2.18 (1.43–3.31) |
22/31 | 1.61 (0.85–3.09) |
520/1,098 | 1.39 (1.15–1.67) |
732/1,279 | 1.62 (1.20–2.19) |
∗Unexposed Interphone Appendix 2: latency 1–1.9 years; unexposed in Coureau et al.: not regular user; unexposed Hardell and Carlberg: no use + latency ≤ 1 year.
∗∗1–4 years in Coureau et al.