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May 9, 2026Hip International0 citations

1-year outcomes of robotic-assisted, computer-assisted, and manual total hip arthroplasty after the learning curve

PGPeriklis Giannakis JPJashvant Poeran JRJuliet E. Rowe

Key Points

This study aims to compare surgical outcomes of robotic, computer-assisted, and manual total hip arthroplasty after considering the learning curve of hospitals.
Retrospective analysis from the Premier Healthcare Database (2016-2023).
Included adults undergoing elective total hip arthroplasty for non-traumatic, non-neoplastic reasons.
Used mixed-effects logistic regression to evaluate outcomes.
CA-THA showed the lowest odds for mechanical complications (specific data not provided).
Mechanical loosening and infection were the primary contributors to complications.
Statistical significance achieved with a p-value of less than 0.001.

Abstract

INTRODUCTION: While comparisons exist between manual (MA-THA), computer-assisted (CA-THA), and robotic-assisted total hip arthroplasty (RA-THA), they have not considered surgeon/hospital learning curves. Therefore, we compared surgical outcomes between MA-THA/CA-THA/RA-THA among hospitals with ⩾1 year of RA-THA experience. METHODS: In this retrospective study (2016-2023, Premier Healthcare Database), we included adults undergoing elective MA-THA/CA-THA/RA-THA for non-traumatic/non-neoplastic diagnoses. Our primary outcome was any mechanical complication within 1-year follow-up; secondary outcomes included any infection within 1 year. We conducted pairwise mixed-effects logistic regression and reported odds ratios (OR) and 95% confidence intervals (CI). RESULTS: < 0.001). CONCLUSIONS: With up to 1-year follow-up, CA-THA was associated with the lowest odds for mechanical complications, primarily due to mechanical loosening and infection.

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