title: Inter-observer reliability of a functional status assessment instrument.
mesh_terms: D000203:Activities of Daily Living; D000368:Aged; D001168:Arthritis / Q000534:rehabilitation*; D006801:Humans; D007406:Interview, Psychological; D008875:Middle Aged; D010043:Outcome and Process Assessment, Health Care / Q000379:methods*; D010348:Patient Care Team; D010865:Pilot Projects; D013223:Statistics as Topic