Key result
In-hospital adverse events after primary total knee arthroplasty show a ~14% annual decline.
Why the study?
Perioperative care for total knee arthroplasty has improved over time, prompting an analysis of inpatient safety trends after the procedure.
What are the time trends in patient characteristics and in-hospital adverse events for primary total knee arthroplasty in the United States between 2010 and 2017?
Observational (n=14,057)
Yes
What are the time trends in patient characteristics and in-hospital adverse events for primary total knee arthroplasty in the United States between 2010 and 2017?
Effect estimate: 14% annual decline in risk (95% CI 10%-17%)
Absolute Event Rate: 2.5% vs 4.9%
p-value: p=<0.001
Inpatient adverse events after primary TKA have decreased over time despite an increasingly complex patient population.
Declining TKA adverse events may reflect care gains; leaves open drivers and generalizability in this observational cohort.
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Halawi et al. (2021) conducted an observational in Primary total knee arthroplasty (n=14,057). Temporal trends (2017 vs 2010) vs. 2010 baseline was evaluated on In-hospital adverse events (14% annual decline in risk, 95% CI 10%-17%, p=<0.001). Between 2010 and 2017, the rate of in-hospital adverse events after primary total knee arthroplasty decreased from 4.9% to 2.5%, representing an adjusted annual decline of 14%.
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