Non-Healing Chronic Wounds Associated With Tissue Defects of the Legs and Feet.
Efficacy and Cost Savings Analysis at 90 days of Treatment.

Patient Population	V AC Alone N=40	VAC/Silverlon N=40
Age Male Female Diabetes Tobacco Use Renal Failure Ischemia ABI 0.5-0.8 Wound Areas	16 - 90 years 21 19 18 7 5 12 AV= lOcc	15 - 89 years 21 19 18 7 5 12 AV= 12c

RESULTS
% healed at 90 days InfectionNo. of kits/pt. Nurse time/ pt. Est. Savings per pt. W / Silverlon	50% 15% 30 17.5 hrs. -	87.5% 0 18 10.5 hrs. $ 3,073.50

Cost Savings Analysis, Annualized Project Savings: Teachign Hosp.@ Medicare Reimbursement

		Annualized
Actual V AC Patient Days 2003 Actual Rental Charge/AC Per Day ( 18 V AC's) Actual Kit Usage Ave. Cost of Dressing Kit (foam/drape) Ave. Nurse Time Per Kit Change Ave. Infection Rate: V AC Related Kits Used Per Week/Per Patient	6,570 $ 70.00 2,190 $ 28.00 38 minutes 12% 3	$ 459,900 $ 61,320 1,387hrs

Projected Annualized Cost Savings to Payor utilizing Silverlon/VAC Combination.

SilverlonN AC Patient Days V AC Rental $70.00/day X 5,256 Kit Usage: 938 kits @ $28.00 Nurse Time Expended: 938 kits @ 38 minutes

5,256

$ 367,920 $ 26,264 594 hrs.

VAC Rental Savings: $ 91,980 or 20%
Dressing Kits Saved: 1,254/kits @ $28.00 = $ 35, 056 or 57.2%
Nurse Time Saved: 1,254 kits @ 38 minutes = 793 hours or 57%