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Journal of Bone and Joint Surgery - British Volume, Vol 91-B, Issue 4, 434-440.
doi: 10.1302/0301-620X.91B4.21505  
Copyright © 2009 by British Editorial Society of Bone and Joint Surgery
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The influence of pre-operative factors on the length of in-patient stay following primary total hip replacement for osteoarthritis

A MULTIVARIATE ANALYSIS OF 2302 PATIENTS

G. F. Dall, MBBS, MRCSEd, Orthopaedic Registrar1; N. E. Ohly, MBChB(Ed), MRCSEd, Orthopaedic Registrar1; J. A. Ballantyne, BSc, MBChB(Trauma and Orth), FRCS, Consultant Orthopaedic Surgeon2; and I. J. Brenkel, BSc, BSc, MBChB(Trauma and Orth), FRCS, Consultant Orthopaedic Surgeon2

1 New Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK.
2 Victoria Hospital, Hayfield Road, Kirkcaldy, Fife KY2 5AH, UK.

Correspondence should be sent to Mr G. F. Dall; e-mail: gdall{at}nhs.net

We analysed which pre-operative factors could be used to predict the length of in-patient stay following unilateral primary total hip replacement undertaken for osteoarthritis. Data were collected prospectively from 2302 patients undergoing primary total hip replacement over a nine-year period. The relationships between the various pre-operative factors and length of stay were studied separately using either Student’s t-test or Pearson’s correlation, and then subjected to multiple linear regression analysis.

The mean length of stay was 8.1 days (median 7; 3 to 58). After adjusting for the effects of other pre-operative factors, younger age, male gender, higher combined Harris hip function and activity score, higher general health perception dimension of the Short-Form 36 score, and non-steroidal anti-inflammatory drug use were all found to be significantly associated with a reduced length of stay.




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The influence of pre-operative factors on the length of in-patient stay following primary THR
Richard A Boden, et al.
J Bone Joint Surg Br Online, 15 Sep 2009 [Full text]

(c) British Editorial Society of Bone and Joint Surgery All Rights Reserved
Registered charity no: 209299     Print ISSN: 0301-620X
Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General