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Improving Racial and Ethnic Disparities in Outpatient Anterior Cervical Discectomy and Fusion Driven by Increasing Utilization of Ambulatory Surgical Centers in New York State.
Spine 2023 May 30
STUDY DESIGN: Retrospective cohort study.
OBJECTIVE: The purpose of this study was to assess trends in disparities in utilization of hospital outpatient departments (HOPDs) and ambulatory surgical centers (ASCs) for outpatient ACDF (OP-ACDF) between white, Black, Hispanic, and Asian/Pacific Islander patients from 2015-2018 in New York state.
SUMMARY OF BACKGROUND DATA: Racial and ethnic disparities within the field of spine surgery have been thoroughly documented. To date, it remains unknown how these disparities have evolved in the outpatient setting alongside the rapid emergence of ASCs and whether restrictive patterns of access to these outpatient centers exist by race and ethnicity.
METHODS: We conducted a retrospective review from 2015-2018 using the Healthcare Cost and Utilization Project (HCUP) New York State Ambulatory Database. Differences in utilization rates for OP-ACDF were assessed and trended over time by race and ethnicity for both HOPDs and freestanding ASCs. Poisson regression was used to evaluate the association between utilization rates for OP-ACDF and race/ethnicity.
RESULTS: Between 2015-2018, Black, Hispanic, and Asian patients were less likely to undergo OP-ACDF compared to white patients in New York state. However, the magnitude of these disparities lessened over time, as Black, Hispanic, and Asian patients had greater relative increases in utilization of HOPDs and ASCs for ACDF when compared to white patients (ptrend<0.001). The magnitude of the increase in freestanding ASC utilization was such that minority patients had higher ACDF utilization rates in freestanding ASCs by 2018 (P<0.001).
CONCLUSION: We found evidence of improving racial disparities in the relative utilization of outpatient ACDF in New York state. The increase in access to outpatient ACDF appeared to be driven by an increasing number of patients undergoing ACDF in freestanding ASCs in large metropolitan areas. These improving disparities are encouraging and contrast previously documented inequalities in inpatient spine surgery.
LEVEL OF EVIDENCE: III.
OBJECTIVE: The purpose of this study was to assess trends in disparities in utilization of hospital outpatient departments (HOPDs) and ambulatory surgical centers (ASCs) for outpatient ACDF (OP-ACDF) between white, Black, Hispanic, and Asian/Pacific Islander patients from 2015-2018 in New York state.
SUMMARY OF BACKGROUND DATA: Racial and ethnic disparities within the field of spine surgery have been thoroughly documented. To date, it remains unknown how these disparities have evolved in the outpatient setting alongside the rapid emergence of ASCs and whether restrictive patterns of access to these outpatient centers exist by race and ethnicity.
METHODS: We conducted a retrospective review from 2015-2018 using the Healthcare Cost and Utilization Project (HCUP) New York State Ambulatory Database. Differences in utilization rates for OP-ACDF were assessed and trended over time by race and ethnicity for both HOPDs and freestanding ASCs. Poisson regression was used to evaluate the association between utilization rates for OP-ACDF and race/ethnicity.
RESULTS: Between 2015-2018, Black, Hispanic, and Asian patients were less likely to undergo OP-ACDF compared to white patients in New York state. However, the magnitude of these disparities lessened over time, as Black, Hispanic, and Asian patients had greater relative increases in utilization of HOPDs and ASCs for ACDF when compared to white patients (ptrend<0.001). The magnitude of the increase in freestanding ASC utilization was such that minority patients had higher ACDF utilization rates in freestanding ASCs by 2018 (P<0.001).
CONCLUSION: We found evidence of improving racial disparities in the relative utilization of outpatient ACDF in New York state. The increase in access to outpatient ACDF appeared to be driven by an increasing number of patients undergoing ACDF in freestanding ASCs in large metropolitan areas. These improving disparities are encouraging and contrast previously documented inequalities in inpatient spine surgery.
LEVEL OF EVIDENCE: III.
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