This is the fifth AROC impairment specific report for o rthopaedic replacements . This report compares YOUR FACILITY's data to ALL AROC FACILITIES data . Each impairment specific report is structured as a series of chapters . Each report will present an overall big picture chapter on the impairment, followed by a chapter looking at FIM item scoring at YOUR FACILITY as compared to ALL AROC FACILITIES data by AN - SNAP class . An outcomes analysis chapter follows with an explanatory data chapter at the end . Some facilities only have a small number of episodes . While ALL AROC FACILITIES data includes all facilities with data on this impairment, facilities will only receive this report where they have a minimum of 20 completed episodes within this impairment . An ANYWHERE HOSPITAL report is available for those facilities with too few episodes on the AROC website . AROC welcomes your feedback on this report . NOTE : This report should be considered in conjunction with the All Impairments Report & Outcome Benchmarks Report for your facility.