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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Am J Surg. 2019 Jul 9;219(1):15–20. doi: 10.1016/j.amjsurg.2019.07.003

Table 5.

Impact of The Affordable Care Act On In-Hospital Index Admission Cost By Procedure For Medicaid Patients Pre and Post Expansion By Insurance Type

  Medicaid Private Self-pay
  Cost 95% CI Cost 95% CI Cost 95% CI
Procedure type
Laparoscopic Gastric Bypass −$905 −$1,330 −$479 $453 $119 $787 $3,426 $2,207 $4,644
Open Gastric Bypass $3,182 $464 $5,901 $1,827 −$51 $3,706 $11,565 $3,684 $19,445
Laparoscopic Sleeve Gastrectomy −$762 −$1,091 −$433 $341 $81 $602 −$276 −$1,147 $594
Laparoscopic Nissen −$1,378 −$2,015 −$742 $71 −$370 $513 −$704 −$2,506 $1,097
Laparoscopic DP $1,554 −$13,329 $16,438 −$4,000 −$12,001 $4,002 na na na
Open DP −$5,020 −$11,091 $1,051 −$100 −$4,145 $3,946 −$8,409 −$27,306 $10,489
Laparoscopic Sigmoidectomy $527 −$881 $1,935 $198 −$529 $926 −$1,377 −$5,073 $2,320
Open Sigmoidectomy −$1,707 −$4,093 $679 $1,228 −$384 $2,840 $1,998 −$6,137 $10,134

Cost is risk adjusted for comorbidities, age, race, and gender. Pre-expansion (2010–2013) and post-expansion (2014). Distal pancreatectomy (DP). Cost is equal to the marginal cost difference.