Mortality, morbidity, and 1-year outcomes of primary elective total hip arthroplasty

Olwen Williams, Ray Fitzpatrick, Shakoor Hajat, Barnaby C Reeves, Anne Stimpson, Richard W Morris, David W Murray, Marianne Rigge, Paul J Gregg, National Total Hip Replacement Outcome Study Steering Committee

Research output: Contribution to journalArticle (Academic Journal)peer-review


No representative data exist on the risks of adverse outcomes of total hip arthroplasty (THA) in the United Kingdom. A prospective observational study of unselected THA operations was carried out in 5 U.K. regions. Adverse outcomes were assessed from the hospital case notes and general practitioners of 1,100 randomly selected patients and from 7,151 patient-completed questionnaires 3 and 12 months after THA. Three-month mortality was 0.4% to 0.7%. Dislocation and thromboembolic complications were about 3% and 4%. Perioperative fracture, sciatic nerve palsy, aseptic loosening, and revision each had a risk of < or = 1%. At 1 year, 2.6% of patients had undergone another operation on the same hip, 11% reported moderate or severe pain in the operated hip, 23% had severe walking restriction, and 11% were dissatisfied with the operation. Patients and surgeons in the United Kingdom should have access to this information when making a decision about THA.

Original languageEnglish
Pages (from-to)165-71
Number of pages7
JournalJournal of Arthroplasty
Issue number2
Publication statusPublished - Feb 2002

Structured keywords

  • BTC (Bristol Trials Centre)
  • Centre for Surgical Research


  • Arthroplasty, Replacement, Hip
  • Follow-Up Studies
  • Humans
  • Incidence
  • Morbidity
  • Postoperative Complications
  • Prospective Studies
  • Treatment Outcome


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