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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Surgery. 2008 Aug;144(2):307–316. doi: 10.1016/j.surg.2008.05.003

Table 9.

Financials by payer.

Parameter No Complications ≥ 1 Complication p-value
Commercial or Automobile
   Median Hospital Charges, $ (IQR) $33,468 (21,237–60,431) $112,972 (76,250–215,947) <0.001
   Median Net Payment, $ (IQR) $24,007 (15,141–44,724) $88,229 (52,803–169,275) <0.001
   Median Total Costs, $ (IQR) $17,359 (10,317–29,438) $57,546 (36,253–111,284) <0.001
   Mean Total Margin, $ (95% CI) $10,368 (8,604–12,132) $44,387 (35,093–53,682) <0.001
   Mean Contribtution to Margin per Day, $ (95% CI) $1,893 (1,549–2,237) $3,165 (2,564–3,766) <0.001
Blue Cross
   Median Hospital Charges, $ (IQR) $36,259 (19,971–67,356) $154,235 (82,734–213,795) <0.001
   Median Net Payment, $ (IQR) $16,590 (7,443–33,996) $66,818 (36,643–138,881) <0.001
   Median Total Costs, $ (IQR) $18,281 (9,922–33,991) $73,232 (42,310–110,176) <0.001
   Mean Total Margin, $ (95% CI) $471 (−4,293–5,235) $3,916 (−9,428–17,261) 0.6
   Mean Contribtution to Margin per Day, $ (95% CI) $338 (−564–1,240) $127 (−786–1,040) 0.8
Medicare
   Median Hospital Charges, $ (IQR) $36,914 (20,005–50,980) $136,700 (57,172–169,276) <0.001
   Median Net Payment, $ (IQR) $17,068 (11,191–31,943) $53,234 (15,167–102,351) 0.01
   Median Total Costs, $ (IQR) $19,187 (13,716–24,798) $66,005 (28,289–90,992) <0.001
   Mean Total Margin, $ (95% CI) −$502 (−5,037–4,034) $1,879 (−14,819–18,576) 0.7
   Mean Contribtution to Margin per Day, $ (95% CI) −$360 (−1,414–694) −$84 (−925–756) 0.7
Medicaid
   Median Hospital Charges, $ (IQR) $32,023 (27,903–56,871) $100,699 (61,598–218,904) <0.001
   Median Net Payment, $ (IQR) $13,009 (8,187–22,721) $32,798 (27,375–42,086) 0.01
   Median Total Costs, $ (IQR) $19,888 (13,799–32,722) $58,845 (37,162–116,373) <0.001
   Mean Total Margin, $ (95% CI) −$8,137 (−12,516--3,757) −$34,566 (−84,418–15,287) 0.05
   Mean Contribtution to Margin per Day, $ (95% CI) −$1,055 (−1,975--135) −$403 (−2,491–1,684) 0.5
M HMO
   Median Hospital Charges, $ (IQR) $29,321 (19,334–75,255) $102,561 (101,019–143,640) 0.003
   Median Net Payment, $ (IQR) $9,493 (7,298–18,700) $38,725 (34,642–41,300) 0.02
   Median Total Costs, $ (IQR) $13,299 (8,229–37,074) $49,766 (45,889–69,091) 0.02
   Mean Total Margin, $ (95% CI) −$6,190 (−14,881–2,500) −$26,083 (−61,058–8,892) 0.06
   Mean Contribtution to Margin per Day, $ (95% CI) −$1,274 (−3,971–1,424) −$1,621 (−3,027--216) 0.9

IQR, interquartile range; ICU, intensive care unit; CI, confidence interval.