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. 2016 Mar;35(3):723-31.
doi: 10.1007/s10067-014-2778-9. Epub 2014 Oct 16.

Sex differences in characteristics, utilization, and outcomes of patient undergoing total elbow arthroplasty: a study of the US nationwide inpatient sample

Jasvinder A Singh  1   2   3 , Rekha Ramachandran  4
Affiliations

Sex differences in characteristics, utilization, and outcomes of patient undergoing total elbow arthroplasty: a study of the US nationwide inpatient sample

Jasvinder A Singh et al. Clin Rheumatol. 2016 Mar.

Abstract

The aim of this study was to compare patient characteristics, utilization rates, and outcomes after total elbow arthroplasty (TEA) by sex. We used the nationwide inpatient sample from 1998 to 2011 to study sex-related time trends in patient characteristics, comorbidity, and outcomes after TEA. We used chi-squared test, analysis of variance, and the Cochran-Armitage test to assess differences in utilization rates and characteristics over time by sex and logistic regression to compare mortality, discharge disposition, and the length of hospital stay by sex. Overall TEA utilization 0.45 in 1998 to 0.96 per 100,000 in 2011 (p < 0.0001). The utilization rates were significantly higher in females compared to males throughout the study period: 0.62 vs. 0.29 in 1998 (p < 0.0001) and 1.31 vs. 0.70 in 2011 (p < 0.0001). Compared to males, females undergoing TEA were more likely to be white (79.7 vs. 71.4 %; p < 0.0001), have rheumatoid arthritis (16.7 vs. 8.1 %; p < 0.0001), and have Deyo-Charlson index of 2 or more (11.3 vs. 5.9 %; p < 0.0001) and were older (63.5 vs. 51.4 years; p < 0.0001). Compared to males undergoing TEA, females had significantly lower mortality, 0.1 vs. 0.4 % (p = 0.03); lower proportion were discharged to home, 81.9 vs. 89.6 % (p < 0.0001), and fewer had has index hospital stay above the median, 30.0 vs. 33.0 % (p = 0.01); most differences were significant after multivariable adjustment. TEA utilization in the USA more than doubled in the last 14 years, with rates higher in females than males. Females had better outcomes after TEA than men. Preoperative risk communication should be sex-specific based on these data.

Keywords: Discharge; Hospital stay; Mortality; Outcomes; Sex; TEA; Total elbow arthroplasty; Utilization.

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Figures

Figure 1
Figure 1
Time-trends in the overall utilization of TEA
Figure 2
Figure 2
Time trends in TEA utilization by sex
See this image and copyright information in PMC

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