Table 1.

  Assessment of risk of bias in individual studies on treatment of ankle sprain, with scores per item

Authors	Adequate randomisation	Allocation concealed	Blinding			Drop-out rate described	Intention to treat analysis	Groups similar at baseline	Co-interventions avoided	Compliance acceptable	Timing of outcome assessment similar	Total score
			Patient	Care provider	Outcome assessor
Basset et al22	Yes	Unsure	No	No	No	Yes	Unsure	No	Unsure	Yes	Unsure	3
Brooks et al23	Unsure	Unsure	No	No	No	No	Unsure	Unsure	Yes	Unsure	Yes	2
Holme et al24	Yes	Unsure	No	No	No	Yes	Yes	Yes	Unsure	Unsure	Yes	4
Hultman et al30	No	Unsure	No	No	No	No	Unsure	Unsure	Unsure	Unsure	Yes	1
Karlsson et al21	Unsure	Unsure	No	No	No	Yes	Unsure	Unsure	Unsure	Unsure	No	1
Nilsson25	Unsure	Unsure	No	No	No	Yes	Yes	Unsure	No	Unsure	No	2
Oostendorp26	Unsure	Unsure	No	No	No	Unsure	Unsure	Unsure	Unsure	Unsure	Yes	1
Reinhardt et al27	Unsure	Unsure	No	No	No	Yes	Unsure	Unsure	Unsure	Unsure	Yes	2
Roycroft et al28	Unsure	Unsure	No	No	No	No	Unsure	Unsure	Unsure	Unsure	Yes	1
van Rijn et al20	Yes	Yes	No	No	No	Yes	Yes	Unsure	Unsure	Yes	Yes	6
Wester et al29	Yes	Unsure	No	No	No	No	Unsure	Unsure	Yes	Unsure	Yes	3