Table 3.

PROBAST results.

Study	ROB				Applicability			Overall
	Participants	Predictors	Outcome	Analysis	Participants	Predictors	Outcome	ROB	Applicability
Aliberti	–	+	+	?	+	–	+	–	–
Baker	+	+	–	–	+	+	+	–	+
Bradley	+	+	?	–	+	+	?	–	?
Covino	+	+	+	–	+	+	+	–	+
De Socio	+	+	+	–	+	+	+	–	+
Fan	?	+	+	–	+	+	+	–	+
Gidari	+	+	+	–	+	+	+	–	+
Holten	+	+	+	?	+	+	+	?	+
Ihle-Hansen	+	+	?	–	+	+	+	–	+
Jang	+	+	?	?	+	+	?	?	?
Liu	+	+	+	+	+	+	+	+	+
Maguire	+	+	+	–	+	+	+	–	+
Martín-Rodríguez	+	+	+	+	+	+	+	+	+
Mystad	+	+	+	–	+	+	+	–	+
Pokeerbux	+	+	+	?	+	+	+	?	+
Prower	+	+	+	?	+	+	+	?	+
Richardson	+	+	+	–	+	+	+	–	+
Su	+	+	+	?	+	–	+	–	–

PROBAST, Prediction model Risk Of Bias ASsessment Tool; ROB, risk of bias.

“+” indicates low ROB/low concern regarding applicability; “–” indicates high ROB/high concern regarding applicability; and “?” indicates unclear ROB/unclear concern regarding applicability.