Table 2.

QUADAS-2 Assessments and STARD Scores.

Author (Reference)	QUADAS-2 sheet							STARD
	Patient selection		Index test		Reference standard		Flow & timing	Score
	Risk of bias	Concern about applicability	Risk of bias	Concern about applicability	Risk of bias	Concern about applicability	Risk of bias	Total 25
Nakata29	Published as an abstract; data insufficient for evaluation
Sato15	UC	UC	HR	LR	LR	LR	LR	10
Mvere30	LR	LR	LR	LR	LR	LR	LR	13
Abraham31	HR	LR	LR	LR	LR	LR	LR	9
Oh32	UC	LR	HR	LR	LR	LR	LR	9
Palmer33	Published as an abstract; data insufficient for evaluation
Kaur34	LR	LR	HR	LR	LR	LR	LR	11
Lien35	LR	LR	HR	LR	LR	LR	LR	19
WHO11	LR	LR	LR	LR	LR	LR	LR	24
Raj36	HR	LR	HR	LR	LR	LR	LR	9
Clement16	LR	LR	HR	LR	LR	LR	LR	17
Lau37	LR	LR	HR	LR	LR	LR	LR	10
Whang38	HR	LR	HR	LR	LR	LR	LR	10
Cha39	HR	LR	HR	LR	LR	LR	LR	10
Akanmu40	HR	LR	HR	LR	LR	LR	LR	15
Ansari41	HR	LR	HR	LR	LR	LR	LR	12
ICBS12	LR	LR	LR	LR	LR	LR	LR	23
Lin17	UC	LR	HR	LR	LR	LR	LR	11
Randrianirina42	HR	LR	HR	LR	LR	LR	LR	9
Torane43	HR	LR	HR	LR	LR	LR	LR	8
Ola45	UC	LR	HR	LR	LR	LR	LR	9
Davies46	HR	LR	LR	LR	LR	LR	LR	18
Khan13	HR	LR	LR	LR	LR	LR	LR	14
Maity48	HR	LR	HR	LR	LR	LR	LR	14
Bottero49	LR	LR	HR	LR	LR	LR	LR	13
Franzeck50	LR	LR	LR	LR	LR	LR	LR	20
Chemeera51	LR	LR	HR	LR	LR	LR	LR	14

LR = low risk, HR = high risk, UC = unclear.