The relationship between mobile phone use and risk of brain tumor: a systematic review and meta-analysis of trails in the last decade

Table 4 Summary of studies on Asian people’s mobile phone use and brain tumor

Study	Period covered	Study type	Age (years)	No.of cases	OR (95 % CI)
Takebayashi et al., 2006, [29] Japan [6]	2000–2004	Case–control	30–69	51 cases: 53 controls	0.7 (0.4 to 1.2)
Takebayashi et al., 2008, [30] Japan [7]	2000–2004	Case–control	30–69	322 cases; 683 controls	1.22 (0.63–2.37) for glioma, 0.70 (0.42–1.16) for meningioma, and 0.90 (0.50–1.61) for pituitary adenoma

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