Anesthesiology
Mark-Up    Ratio    Costs    Charges    Aurora Sinai Medical Center 985% 0.10 $1,595,927 $15,718,424 Johns Hopkins Hospital 245% 0.41 $7,898,933 $19,385,349

	Medical Supplies
Mark-Up    Ratio    Costs    Charges    Aurora Sinai Medical Center 18.96 0.05 $399,574 $7,574,042 Johns Hopkins Hospital 118% 0.85 $131,489,061 $155,567,531

	Drugs Charged to Patient
Mark-Up    Ratio    Costs    Charges    Aurora Sinai Medical Center 4.84 0.21 $9,637,961 $46,631,043 Johns Hopkins Hospital 147% 0.68 $108,479,825 $159,651,886

	Operating Room
Mark-Up    Ratio    Costs    Charges    Aurora Sinai Medical Center 212% 0.47 $16,544,601 $35,067,231 Johns Hopkins Hospital 134% 0.75 $81,472,399 $108,958,316

	Radiology-Diagnostic
Mark-Up    Ratios    Costs    Charge    Aurora Sinai Medical Center 265% 0.38 $7,370,041 $19,509,689 Johns Hopkins Hospital 103% 0.97 $55,842,212 $57,412,680

	Laboratory
Mark-Up    Ratio    Costs    Charges    Aurora Sinai Medical Center 396% 0.25 $8,232,270 $32,604,344 Johns Hopkins Hospital 115% 0.87 $106,821,761 $122,880,140

	Electrocardiology
Mark-Up    Ratio    Costs    Charges    Aurora Sinai Medical Center 726% 0.14 $1,154,244 $8,375,052 Johns Hopkins Hospital 138% 0.73 $7,839,368 $10,811,272

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Mark-Up - Hospital Mark-Up
Ratio - Ratio of Actual Costs per Dollar Charged
Costs - Total Annual Costs to Hospital in USD
Charges - Total Annual Charges to Patients in USD

* Data for Aurora Sinai Medical Center is for the period ending 12/31/2006.
*Data for The Johns Hopkins Hospital is for the period ending 6/30/2007.
The source of this information is Federal MedPar and/or HCRIS data.