Study	Reason for exclusion
Aatila 2021	No 2 × 2 data available.
Al‐Timemy 2022	No article available, conference proceedings.
Buehren 2018	Conference proceedings.
Cao 2021b	Conference proceedings.
Castro‐Luna 2021	Ineligible index test/reference test.
ChiCTR2000037484	Clinical trial protocol/ongoing study.
ChiCTR2000039070	Clinical trial protocol/ongoing study.
DosSantos 2019	Ineligible outcomes.
Elsawy 2022	Ineligible outcomes.
Feng 2021	No 2 × 2 data available.
Hazarbessanov 2022	No article available; conference proceedings.
Hernandez 2020	Conference proceedings.
Hidalgo 2014	Conference proceedings.
Hjordtal 1995	Ineligible population.
Issarti 2018	Conference proceedings.
JPRN‐UMIN000034587	Clinical trial protocol.
JPRN‐UMIN000040128	Clinical trial protocol.
JPRN‐UMIN000040308	Clinical trial protocol.
JPRN‐UMIN000040321	Clinical trial protocol.
JPRN‐UMIN000043831	Clinical trial protocol/ongoing study.
Kleinhans 2019	Language.
Klyce 2005	Ineligible outcomes.
Kundu 2021	No 2 × 2 data available.
Lavric 2019	Ineligible population.
Li 2009	Ineligible outcomes.
Li 2021	Language.
Liu 2021	Conference proceedings.
Malyugin 2021	No 2 × 2 data available.
Matalia 2020	Ineligible population.
Nasrin 2018	Clinical trial protocol/ongoing study.
NCT01746823	Clinical trial protocol.
NCT04313387	Clinical trial protocol/ongoing study.
NCT04763785	Clinical trial protocol/ongoing study.
Omidi 2022	Ineligible outcomes.
Pavlatos 2022	No article available, conference proceeding.
Ramos‐Lopez 2011	No 2 × 2 data available.
Rozema 2017	Ineligible outcomes.
Saad 2010	Ineligible index test/reference test.
Saad 2012	Ineligible index test/reference test.
Schatteburg 2022	No article available, clinical trial protocol.
Souza 2008	Language.
Steinberg 2015a	Wrong index test/reference test.
Steinberg 2015b	Wrong index test/reference test.
Takahashi 2021	Conference proceedings.
Tan 2019	Language.
Tas 2021	Conference proceedings.
Toprak 2021	Ineligible index test/reference test.
Velazquez‐Blazquez 2020	No 2 × 2 data available.
Vieira de Carvalho 2008	No 2 × 2 data available.
Wang 2022	Ineligible population.
Xu 2022b	No 2 × 2 data available.
Yucekul 2022	Wrong index test.
Zghal 1997	Language.
Zou 2019	Language.