• A Duclos, S Couray-Targe, M Randrianasolo, S Hedoux, C M Couris, C Colin, and A M Schott.
• Pôle Information Médicale Evaluation Recherche, Hospices Civils de Lyon, Lyon 69003, France. antoineduclos@yahoo.fr
• Osteoporos Int. 2010 Sep 1; 21 (9): 1493-501.

SummaryWe estimated the excess hospital expenditure attributable to osteoporotic hip fracture (HF) within a population of 6,019 patients. Post-fracture excess of hospital days was 23.1, including 22.7 days in rehabilitation care. HF might result from a patient's pre-fracture poor health status rather than predispose to a worsening of such pre-existing conditions.IntroductionHip fracture represents a large burden on hospital services. It is unclear whether the post-fracture expenditure is linked to a worsening of pre-fracture comorbid conditions. We estimated the excess hospital expenditure attributable to osteoporotic HF following the initial hospitalization for acute care (index stay).MethodsWe identified 6,019 patients (> or = 50 years) who experienced HF in 2005 and compared their hospitalizations 1 year before and 1 year after the index stay. Excess expenditure was estimated by subtracting the utilization of hospital days or costs (Euros 2005) before the index stay from those after the index stay. Factors associated with hospitalization during the pre-fracture and post-fracture years were identified using multivariate logistic regressions.ResultsBeside the index stay, post-fracture excess of hospital days was 23.1 (95% Confidence Interval (CI) [21.8-24.3]), including 22.7 days (95% CI [21.7-23.7]) in rehabilitation care and 0.3 days (95% CI [0-0.9]) in acute care. Estimated excess cost per patient was 5,986 (95% CI [5,638-6,335]) after the index stay, including 5,673 (95% CI [5,419-5,928]) in rehabilitation care. Male and elderly patients were at higher risk to be hospitalized in acute care during the year preceding and succeeding HF.ConclusionsOsteoporotic HF represents a pronounced excess expenditure in hospital, which is mostly linked to rehabilitation care. Considering that utilization of inpatient acute care was quite similar before and after the index stay, HF might result from a patient's pre-fracture poor health status, rather than predispose to a worsening of such pre-existing conditions.

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