Table 1.

Search strategy developed for PubMed and modified appropriately for other databases

FAI	#1 “femoracetabular impingement” [MeSH Terms] #2 “femoracetabular” [All Fields] AND “impingement” [All Fields]) OR “femoracetabular impingement” [All Fields] OR “femoroacetabular” [All Fields] AND “impingement” [All Fields]) OR “femoroacetabular impingement” [All Fields]
Hip joint	#3 “hip joint”[MeSH Terms] OR (“hip” [All Fields] AND “joint” [All Fields]) OR “hip joint” [All Fields] #4 chondral [All Fields] OR “cartilage” [MeSH Terms] OR “cartilage” [All Fields] #5 labral [All Fields] OR acetabular [All Fields] AND labrum [All Fields]
MRI	#6 “magnetic resonance imaging” [MeSH Terms] OR (“magnetic” [All Fields] AND “resonance” [All Fields] AND “imaging” [All Fields]) OR “magnetic resonance imaging” [All Fields] #7 (“magnetic resonance spectroscopy” [MeSH Terms] OR (“magnetic” [All Fields] AND “resonance” [All Fields] AND “spectroscopy” [All Fields]) OR “magnetic resonance spectroscopy” [All Fields] OR (“magnetic” [All Fields] AND “resonance” [All Fields]) OR “magnetic resonance” [All Fields]) AND (“arthrography” [MeSH Terms] OR “arthrography” [All Fields])
Accuracy of MRI	#8 (“sensitivity and specificity” [MeSH Terms] OR (“sensitivity” [All Fields] AND “specificity” [All Fields]) OR “sensitivity and specificity” [All Fields] OR (“sensitivity” [All Fields] AND “specificity” [All Fields]) OR “sensitivity specificity” [All Fields]) AND accuracy [All Fields] #9 (true [All Fields] AND positive [All Fields]) OR (true [All Fields] AND negative [All Fields]) OR (false [All Fields] AND positive [All Fields]) OR (false [All Fields] AND negative [All Fields])
Search strategy	((#1 AND #2) AND (#3 OR #4 OR #5)) AND ((#6 OR #7) OR (#8 OR #9))
Last search	17th of May 2016