Table 1 Odds ratios (OR) with 95% confidence interval (CI) for glioma and acoustic neuroma in case-control studies in the highest category for cumulative mobile phone use in hours^a

Interphone [117, 119]

Cumulative use ≥1640 hr

1.40

1.03–1.89

1.96

1.22–3.16

0.88–1.97

1.23–4.40

Coureau et al. [118] Cum use ≥896 hr

2.89

1.41–5.93

2.11

0.73–6.08

Hardell et al. [115, 116]

Cumulative use ≥1640 hr

2.13

1.61–2.82

3.11

2.18–4.44

1.39–4.16

1.65–6.12

Meta-analysis

longest cumulative use

1.90

1.31–2.76

2.54

1.83–3.52

0.96–3.09

1.72–4.28