The following Office of Population, Censuses and Surveys Classification of Surgical Operations and Procedures 4th revision (OPCS4) codes have been used to identify fracture-related operations: V01 “ V21, V22 “ V68 (excluding V26, V31, V33, V35, V47, V52 and V55), W01 “ W04, W05 “ W36 (excluding W09, W34 and W36), W37 “ W99 (excluding W72, W73, W74, W75, W76...