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

	Glioma				Acoustic neuroma
	All		Ipsilateral		All		Ipsilateral
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Interphone [117, 119] Cumulative use ≥1640 hr	1.40	1.03–1.89	1.96	1.22–3.16	1.32	0.88–1.97	2.33	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	2.40	1.39–4.16	3.18	1.65–6.12
Meta-analysis longest cumulative use	1.90	1.31–2.76	2.54	1.83–3.52	1.73	0.96–3.09	2.71	1.72–4.28

^a Note Hardell et al. [115, 116] also assessed use of cordless phones