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Fig. 1 | BMC Medicine

Fig. 1

From: Cardiovascular events and venous thromboembolism after primary malignant or non-malignant brain tumour diagnosis: a population matched cohort study in Wales (United Kingdom)

Fig. 1

Cohort selection for this matched cohort study of people in the SAIL Databank in Wales (UK) 2000–2014. This study included 6800 of 6814 (99.8%) eligible patients diagnosed with a malignant or non-malignant tumour. Of the 1,477,932 eligible controls, 33,765 (2.3%) were included as the matched controls. Controls have no cancer diagnosis and were matched for date of birth within 5 years, sex and GP practice

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BMC Medicine

ISSN: 1741-7015

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