Relative Cost
Options
	Year 1	Year 2	Year 3	Year 4	Year 5	Year 6	Year 7	Year 8	Year 9	Year 10
1	Hylan ------------------------------------------------------------------------------------------------------------------------
2	Art Deb +++++++++++++++++++++++++++++++					Art Deb +++++++++++++++++++++++++++++++
3	TKR *********************************************************************************
4	Hylan --------------		Art Deb +++++++		TKR **********************************************
5	Hylan ---------------------------			Art Deb +++++++++++++++			Art Deb +++++++++++++++++++++++
6	Hylan ---------------		TKR **************************************************************
7	Art Deb ++++++++++++++			TKR ******************************************************

^{Art Deb}= arthroscopic debridement

^TKR= total knee replacement