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Differences in patient and procedure characteristics and hospital resource use in primary and revision total joint
Kevin J Bozic1, Sridar Durbhakula, Daniel J Berry
1Department of Orthopaedic Surgery, University of California, San Francisco, California 94143-0728, USA.
Insights
This study analyzed hip and knee replacement data, finding significant differences between primary and revision surgeries in patient factors, procedure details, and costs. These insights can enhance administrative data accuracy for total joint arthroplasty procedures.
Area of Science:
- Orthopedic Surgery
- Health Economics
- Health Services Research
Background:
- Total hip arthroplasty (THA) and total knee arthroplasty (TKA) are common procedures.
- Distinguishing between primary and revision total joint arthroplasty (TJA) is crucial for resource allocation and outcome analysis.
- Existing administrative data may not fully capture the complexities and cost variations in TJA.
Purpose of the Study:
- To conduct a cost-identification study of primary and revision THA and TKA procedures.
- To analyze clinical, demographic, and economic differences between primary and revision TJA.
- To provide data for improving the accuracy of administrative claims for TJA.
Main Methods:
- A multicenter retrospective cohort study design.
- Inclusion of 4533 THA and 3508 TKA procedures over a 3-year period.
- Analysis of patient demographics, clinical data, operative details, length of stay, discharge disposition, and hospital costs.
Main Results:
- Statistically significant differences identified between primary and revision TJA.
- Variations noted in patient age, sex, payer type, operative time, allograft use, hospital stay, discharge, and costs.
- Significant differences also observed among different types of revision TJA procedures.
Conclusions:
- Primary and revision TJA procedures exhibit distinct patient characteristics, procedural elements, and resource utilization.
- Findings support the refinement of administrative claims data for more accurate TJA cost and resource analysis.
- Improved data accuracy can lead to better healthcare management and resource planning in orthopedic surgery.
Abstract:
A multicenter retrospective cost-identification cohort study was undertaken to analyze clinical, demographic, and economic data for 4533 consecutive total hip arthroplasty (THA) and 3508 consecutive total knee arthroplasty (TKA) procedures performed during a 3-year period in 1 of 3 hospitals. Statistically significant differences were found between primary and revision procedures with respect to patient age, sex, payer type, mean total operative time, use of allograft, average length of hospital stay, discharge disposition, and hospital costs. Significant differences were also found between different types of revision total joint arthroplasty (TJA) procedures. Our findings could be used to help improve the accuracy of administrative claims data related to primary and revision TJA procedures to identify relevant differences in patient characteristics, procedure characteristics, and hospital resource use.