Ninety-day postoperative cost in primary total hip arthroplasty: an economic model comparing surgical approaches

ClinicoEconomics and Outcomes Research : CEOR
Larry E MillerSamir K Bhattacharyya

Abstract

While primary total hip arthroplasty (THA) is a safe and effective procedure, it is unclear whether choice of surgical approach influences health care cost. We developed an economic model in which patients receiving THA via the anterior approach (AA) by high volume anterior hip surgeons were compared to a propensity-score matched cohort of primary THA cases performed by high volume surgeons that were identified from Medicare claims (Control). Cost elements included the procedure and hospital stay, postacute care, readmission, and outpatient care through 90 days postoperatively. Costs were derived from Medicare claims and adjusted to account for nationwide payer mix. Health care costs over 90 days postoperative were $17,763 with AA and $23,969 with Control, a difference of $6,206 (95% CI: $5,210-$7,204) per patient. The cost savings with AA were mainly attributable to lower per-patient costs of the index hospitalization ($13,578 vs $16,017), postacute care ($3,123 vs $6,037), and hospital readmissions ($700 vs $1,584). The AA for primary THA was found to lower 90-day health care costs when compared to a matched sample of THA cases. These study findings may be used to inform hospitals and health care payers regarding the cost imp...Continue Reading

Citations

Jul 30, 2019·Current Opinion in Anaesthesiology·Jinlei LiEdward R Mariano
Jul 1, 2020·The Bone & Joint Journal·Nipun SodhiMichael A Mont
Mar 9, 2021·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·UNKNOWN Cleveland Clinic OME Arthroplasty Group:Michael R Bloomfield
Nov 10, 2020·The Journal of Arthroplasty·Patawut BovonratwetEdwin P Su
Aug 19, 2021·The Journal of the American Academy of Orthopaedic Surgeons·Patawut BovonratwetEdwin P Su

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