Hip replacement data lead to efficiency.
D019644:Arthroplasty, Replacement, Hip / Q000191:economics* / Q000295:instrumentation / Q000706:statistics & numerical data; D019985:Benchmarking / Q000191:economics*; D003362:Cost-Benefit Analysis; D017721:Hospital Costs; D006801:Humans; D010561:Personnel Staffing and Scheduling / Q000191:economics; D015143:Philadelphia; D013523:Surgical Equipment / Q000191:economics / Q000706:statistics & numerical data