Table I

Literature search* strategy

Search TermNo. of records
1hip.tw   214 308
2mortality.tw1 201 544
3fracture.mp. [mp=ab, hw, ti, ot, bt, sh, tn, dm, mf, dv, kw, nm, kf, ps, rs, an, ui]   396 656
4arthroplasty.tw     74 247
5replacement.tw   422 949
62 and 1        8 662
74 or 5   483 770
86 and 7       1 981
98 not 3       1 206
10limit 9 to yr=”2003 – Current”          890
11limit 10 to English language           842
12Removal of duplicates          484
  • *Search performed on 4th October 2013: We searched MEDLINE (2003 to present), and EMBASE (2003 to 2013 Week 39), CAB Abstracts 2003 to 2013 Week 39, and AMED (Allied and Complementary Medicine) 2003 to September 2013. † Medline search vocabulary: tw, text word; mp, multi-purpose; ab, abstract; hw, heading word; ti, title; ot, original title; bt, broad terms; sh, MeSH subject heading; tn, drug trade name; dm, device manufacturer; mf, drug manufacturer; dv, device trade name; kw, keyword heading; nm, name of substance word; kf, keyword heading word; ps, protocol supplementary concept; rs, rare disease supplementary concept; an, accession number; ui, unique identifier; yr, year of publication