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Association of Medicaid expansion with access to rehabilitative care in adult trauma patients

Date Added to Library: 
Wednesday, January 9, 2019 - 14:54
Digital Object Identifier (DOI): 
10.1001/jamasurg.2018.5177
Priority: 
normal
Individual Author: 
Zogg, Cheryl K.
Scott, John W.
Metcalfe, David
Gluck, Abbe R.
Curfman, Gregory D.
Davis, Kimberly A.
Dimick, Justin B.
Haider, Adil H.
Reference Type: 
Published Date: 
January 2019
Published Date (Text): 
January 2019
Publication: 
JAMA Surgery
Page Range: 
E1-E10
Year: 
2019
Language(s): 
Abstract: 

Importance Trauma is a leading cause of death and disability for patients of all ages, many of whom are also among the most likely to be uninsured. Passage of the Patient Protection and Affordable Care Act was intended to improve access to care through improvements in insurance. However, despite nationally reported changes in the payer mix of patients, the extent of the law’s impact on insurance coverage among trauma patients is unknown, as is its success in improving trauma outcomes and promoting increased access to rehabilitation.

Objective To use rigorous quasi-experimental regression techniques to assess the extent of changes in insurance coverage, outcomes, and discharge to rehabilitation among adult trauma patients before and after Medicaid expansion and implementation of the remainder of the Patient Protection and Affordable Care Act.

Design, Setting, and Participants Quasi-experimental, difference-in-difference analysis assessed adult trauma in patients aged 19 to 64 years in 5 Medicaid expansion (Colorado, Illinois, Minnesota, New Jersey, and New Mexico) and 4 nonexpansion (Florida, Nebraska, North Carolina, and Texas) states.

Interventions/Exposure Policy implementation in January 2014.

Main Outcomes and Measures Changes in insurance coverage, outcomes (mortality, morbidity, failure to rescue, and length of stay), and discharge to rehabilitation.

Results A total of 283 878 patients from Medicaid expansion states and 285 851 patients from nonexpansion states were included (mean age [SD], 41.9 [14.1] years; 206 698 [36.3%] women). Adults with injuries in expansion states experienced a 13.7 percentage point increase in discharge to rehabilitation (95% CI, 7.0-7.8; baseline: 14.7%) that persisted across inpatient rehabilitation facilities (4.5 percentage points), home health agencies (2.9 percentage points), and skilled nursing facilities (1.0 percentage points). There was also a 2.6 percentage point drop in failure to rescue and a 0.84-day increase in length of stay. Rehabilitation changes were most pronounced among patients eligible for rehabilitation coverage under the 2-midnight (8.4 percentage points) and 60% (10.2 percentage points) Medicaid payment rules. Medicaid expansion increased rehabilitation access for patients with the most severe injuries and conditions requiring postdischarge care (eg, pelvic fracture). It mitigated race/ethnicity-, age-, and sex-based disparities in which patients use rehabilitation.

Conclusions and relevance This multistate assessment demonstrated significant changes in insurance coverage and discharge to rehabilitation among adult trauma patients that were greater in Medicaid expansion than nonexpansion states. By targeting subgroups of the trauma population most likely to be uninsured, rehabilitation gains associated with Medicaid have the potential to improve survival and functional outcomes for more than 60 000 additional adult trauma patients nationally in expansion states. (Author abstract)

Geographic Focus: 
Page Count: 
10
Epub Date: 
01/02/2019
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