Table III.

Studies included in the current review.

Author, year	Article	Demography	Refs.
Ostrom et al, 2013	CBTRUS statistical report: Primary brain and central nervous system tumors diagnosed in the United States in 2006–2010	USA	(4)
Dolecek et al, 2012	CBTRUS statistical report: Primary brain and central nervous system tumors diagnosed in the United States in 2005–2009	USA	(5)
Gittleman et al, 2015	Trends in central nervous system tumor incidence relative to other common cancers in adults, adolescents, and children in the United States, 2000 to 2010	USA	(10)
Dobec-Meić et al, 2006	Intracranial tumors in adult population of the Varazdin County (Croatia) 1996–2004: A population-based retrospective incidence study	Croatia	(11)
Gabriel et al, 2014	Adult brain cancer in the U.S. black population: A Surveillance, Epidemiology, and End Results (SEER) analysis of incidence, survival, and trends	USA	(12)
Smoll et al, 2014	Incidence and relative survival of anaplastic astrocytomas	USA	(13)
Smoll et al, 2012	The incidence of medulloblastomas and primitive neurectodermal tumours in adults and children	USA	(15)
Kohler et al, 2011	Annual report to the nation on the status of cancer, 1975–2007, featuring tumors of the brain and other nervous system	USA	(16)

CBTRUS, the central brain tumor registry of the united states.