Table 4.

Risk of bias of RCTs reporting descriptive instruments.

	Sequence	Allocation	Performance	Detection	Attrition	Reporting	Other
Alvarez-Sala 2006	Unclear	Unclear	Low	Low	Low	Unclear	Unclear
Andre-Alves 2007	Unclear	Unclear	High	High	Low	Unclear	High
Blasi 2013	Unclear	Unclear	High	High	Low	Low	Unclear
Blasi 2013 B	Low	Low	Low	Low	Low	Unclear	High
Brusse-Keizer 2014	Low	Low	Low	Low	Low	Low	High
Ceviker 2014	Low	Low	High	Low	High	Unclear	Unclear
Chatterjee 2011	Low	Low	High	Low	Low	Unclear	Unclear
Daniels 2010	Low	Low	Low	Low	Low	High	Low
Gao 2019	Unclear	Unclear	High	High	Low	Unclear	Low
Giusti 2016	Low	Low	Low	Low	Low	Low	Low
Gotfried 2007	Unclear	Unclear	High	High	Low	Low	Low
Jiang 2017	Low	Unclear	High	High	Low	Unclear	Low
Li 2010	Low	Unclear	High	High	High	Unclear	Low
Llor 2009	Unclear	Low	Low	Low	Low	Unclear	Low
Llor 2012	Low	Unclear	Low	Low	Low	Low	Low
Nouira 2010	Low	Low	Low	Low	Low	Low	Low
Park 2017	Unclear	Low	Low	Low	Low	Unclear	High
Petitpretz 2007	Unclear	Unclear	High	High	High	Unclear	Unclear
Prins 2019	Low	Low	High	High	Low	Low	Low
Rhee 2015	Low	Low	Low	Low	High	High	High
Ritchie 2019	Low	Low	Low	Low	Low	Low	Low
Roede 2007	Low	Low	Low	Low	Low	Unclear	High
Rohde 2015	Unclear	Unclear	Low	Low
Stallberg 2009	Unclear	Low	Low	Low	Low	Low	Low
Stolz 2007	Unclear	Unclear	High	High	Low	Low	Low
Urueta-Robledo 2006	Unclear	Unclear	Low	Low	High	Unclear	Unclear
van den Broek 2008	Low	Low	Low	Low	Low	Unclear	Unclear
van Zanten 2007	Unclear	Unclear	High	High	Low	Unclear	Low
Verduri 2015	Low	Low	High	High	Low	Low	Low
Wang 2010	Unclear	Low	Low	Low	Low	High	Unclear
Xie 2019	Low	Low	High	Low
Yoon 2013	Low	Low	High	High	Low	Unclear	Unclear
Zervos 2007	Unclear	Unclear	High	High	Low	Unclear	High
Zhang 2019	Low	Low	Low	Low