Table 1

Search strategy in EMBASE.com

SetTerm
1‘ankle sprain’/exp OR ‘ankle sprain’ OR ‘ankle instability’/exp OR ‘ankle instability’ OR ‘ankle lateral ligament’/exp OR ‘ankle lateral ligament’ OR ‘ankle injury’/exp OR ‘ankle injury’
2‘clinical trial’/exp OR ‘clinical trial’ OR ‘randomisation’/exp OR randomisation OR ‘healthcare quality’/exp OR ‘healthcare quality’
3‘economic evaluation’/exp OR ‘economic evaluation’ OR ‘cost’/exp OR cost
4(#1 AND #2 AND #3)