Table 1.

Search strategy*

Group A search terms	Group B search terms	Group C search terms
[“biologic…” within 2 words of “react…”] Foreign Bodies “foreign bodies” “foreign body” Corrosion “corrosion” Foreign-Body Reaction Inflammation “inflam…” “patholog…” “osteolys…” “immunolog…”	“alumina” Aluminum Oxide “aluminum oxide…” “chrome” Chromium “chromium” Cobalt “cobalt” Metals “metal” Ceramics “ceramic…” “XLPE”, “HXPE”, “HXLP”,” HXLPE”, “UHMWPE”, “SQXL”, “SXPE” [“polyethylene…” and “crosslink….”] [“polyethylene…” and “cross link…”]	“hip” or “hips”

* Capitalized terms = medical subject headings (MeSH index terms); “words” in quotes = words in article titles, abstracts, or indexing; “word…” = any ending accepted in place of the … (eg, singular/plural word forms, verb tenses).