In girls there was also a stability in the rates of malignant brain tumours throughout the overall study period, with an almost significant increase of 7.7% (95% CI – 0.2 to 16.2) per year until 1991 and stability until 2015 (Tables S3 and S4).
← all excerpts
Trends in the incidence of brain cancer and the use of mobile phones: analysis of the Spanish Network of Cancer Registries (REDECAN).
2
—
—
The sentences
For a relationship between the use of MPhs and brain cancer to be causal, one would expect an increasing trend in the period after the mass deployment of MPhs and no trend in the earlier periods.