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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 GiannakisHospital for Special Surgery JPJashvant PoeranHospital for Special Surgery JRJuliet E. RoweHospital for Special Surgery

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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