Study	Reason for exclusion
Abdulrahman 2015	Insufficient information to calculate diagnostic accuracy
Ala 2016	Inadequate reference standard
Arrillaga 1999	Inadequate reference standard
Beck‐Razi 2007	Penetrating trauma
Behboodi 2016	Inadequate diagnostic values
Brooks 2004a	Penetrating trauma
Brooks 2004b	Inadequate reference standard
Brown 2001	Inadequate reference standard
Byars 2013	Inadequate index test
Cook 2015	Insufficient information to calculate diagnostic accuracy
Coskun 2011	Inadequate reference standard
Dan 2010	Inadequate reference standard
Deunk 2010	Inadequate index test
Donmez 2011	Insufficient information to calculate diagnostic accuracy
Faruque 2013	Inadequate reference standard
Hamada 2016	Insufficient information to calculate diagnostic accuracy
Helling 2007	Insufficient information to calculate diagnostic accuracy
Heyn 2008	Inadequate reference standard
Holmes 2012	Penetrating trauma
Hyacinthe 2012	Penetrating trauma
Ianniello 2014	Insufficient information to calculate diagnostic accuracy
Ingeman 1996	Insufficient information to calculate diagnostic accuracy
Jalli 2009	Inadequate index test
Kaya 2015	Inadequate reference standard
Kern 1997	Penetrating trauma
Kirkpatrick 2002	Inadequate reference standard
Kirkpatrick 2004	Insufficient information to calculate diagnostic accuracy
Kirkpatrick 2005	Inadequate reference standard
Krupnick 1997	Case‐control study
Ku 2013	Penetrating trauma
Kumar 2014	Insufficient information to calculate diagnostic accuracy
Lichtenstein 2005	Insufficient information to calculate diagnostic accuracy
Matsumoto 2016	Insufficient information to calculate diagnostic accuracy
Mihalik 2012	Insufficient information to calculate diagnostic accuracy
Moylan 2007	Inadequate reference standard
Mumtaz 2016	Penetrating trauma
Nagarsheth 2011	Penetrating trauma
Natarajan 2010	Insufficient information to calculate diagnostic accuracy
Pak‐art 2003	Inadequate reference standard
Richards 2004	Inadequate reference standard
Richardson 1997	Case‐report
Schleder 2013	Penetrating trauma
Sheng 2013	Penetrating trauma
Smith 2009	Insufficient information to calculate diagnostic accuracy
Smith 2013	Inadequate reference standard
Smith 2015	Battlefield scenario
Soldati 2007	Insufficient information to calculate diagnostic accuracy
Soult 2015	Penetrating trauma
Tajoddini 2013	Insufficient information to calculate diagnostic accuracy
Tam 2005	PenetratIng trauma
Tas 2004	Insufficient information to calculate diagnostic accuracy
Tayal 2006	Inadequate reference standard
Tummers 2016	Inadequate reference standard
Tunuka 2014	Inadequate reference standard
Valentino 2008	Insufficient information to calculate diagnostic accuracy
Van Diepen 2013	Insufficient information to calculate diagnostic accuracy
Vassiliadis 2003	Penetrating trauma