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. Author manuscript; available in PMC: 2018 Sep 11.
Published in final edited form as: Ann Surg. 2017 Jul;266(1):105–110. doi: 10.1097/SLA.0000000000001980

Table 3.

Payments for Bariatric Surgery at Low and High Quality Hospitals

Payment Category ($) Low Quality Hospital High Quality Hospitals Difference In Payments p-value
Index Hospitalization OVerall 8.804 8,182 −622 0.001
 DRG 8.534 7,959 −575 <.0001
 Outlier
  Proportion with Payment (%) 1.4 1.8
  Average Payment when Present 13,592 10,480 −3,112 0.250
  Average Payment Overall 269 223 −47 0.756
Physician services 2,517 2,331 −186 0.004
Readmission
  Proportion with Payment (%) 5.9 3.2
  Average Payment when Present 9,560 9,335 −226 0.905
  Average Payment Overall 601 309 −292 0.008
 Postdischarge ancillary care
 Proportion with Payment (%) 56.9 49.6
 Average Payment when Present 931 580 −351 <.0001
 Average Payment Overall 511 291 −220 <.0001
Total episode 12,433 11,112 −1,321 <.0001

*Difference in standardized & case-mix (risk) adjusted 30-day episode payments. Hospitals quality represents hospital ranked into quintiles by their risk- and relieablity-adjusted rates of serious complications. Low Quality Hospitals representing the quintile of hospitals with the highest complication rates.