Race- and Sex-Specific Incidence Rates and Predictors of Total Knee Arthroplasty: Seven-Year Data From the Osteoarthritis Initiative.

ABSTRACT:

Objective

To determine race- and sex-specific rates of total knee arthroplasty (TKA) and to document independent effects of demographic factors on TKA incidence in a population with radiographically confirmed osteoarthritis (OA).

Methods

We used data from the Osteoarthritis Initiative, a US-based, multicenter longitudinal study of knee OA. We selected subjects with radiographic symptomatic OA at baseline and determined TKA incidence rates (ratio of TKAs to time at risk for TKA) over 84 months of followup. We used multivariable Poisson regression to identify independent associations between demographic factors and TKA utilization.

Results

During the study period there were 223 TKAs among 1,915 subjects for an incidence of 1.9% (95% confidence interval [95% CI] 1.7-2.2%

SUBMITTER: Collins JE 

PROVIDER: S-EPMC4862940 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature