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. 2014 Aug 20;9(8):e105124.
doi: 10.1371/journal.pone.0105124. eCollection 2014.

Insurance status is associated with treatment allocation and outcomes after subarachnoid hemorrhage

Charles Hobson  1 , John Dortch  2 , Tezcan Ozrazgat Baslanti  2 , Daniel R Layon  2 , Alina Roche  2 , Alison Rioux  2 , Jeffrey S Harman  3 , Brenda Fahy  2 , Azra Bihorac  2
Affiliations

Insurance status is associated with treatment allocation and outcomes after subarachnoid hemorrhage

Charles Hobson et al. PLoS One. .

Abstract

Objective: Subarachnoid hemorrhage (SAH) is a particularly devastating type of stroke which is responsible for one third of all stroke-related years of potential life lost before age 65. Surgical treatment has been shown to decrease both morbidity and mortality after subarachnoid hemorrhage. We hypothesized that payer status other than private insurance is associated with lower allocation to surgical treatment for patients with SAH and worse outcomes.

Design: We examined the association between insurance type and surgical treatment allocation and outcomes for patients with SAH while adjusting for a wide range of patient and hospital factors. We analyzed the Nationwide Inpatient Sample hospital discharge database using survey procedures to produce weighted estimates representative of the United States population.

Patients: We studied 21047 discharges, representing a weighted estimate of 102595 patients age 18 and above with a discharge diagnosis of SAH between 2003 and 2008.

Measurements: Multivariable logistic and generalized linear regression analyses were used to assess for any associations between insurance status and surgery allocation and outcomes.

Main results: Despite the benefits of surgery 66% of SAH patients did not undergo surgical treatment to prevent rebleeding. Mortality was more than twice as likely for patients with no surgical treatment compared to those who received surgery. Medicare patients were significantly less likely to receive surgical treatment.

Conclusions: Nearly two thirds of patients with SAH don't receive operative care, and Medicare patients were significantly less likely to receive surgical treatment than other patients. Bias against the elderly and those with chronic illness and disability may play a part in these findings. A system of regionalized care for patients presenting with SAH may reduce disparities and improve appropriate allocation to surgical care and deserves prospective study.

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Conflict of interest statement

Competing Interests: AB has received research funding for commercial funder, Astute Medical, Inc. for two research studies of acute kidney injury in critically ill patients, both of which are published and are not related to this manuscript. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

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