Table 6: Patient Self-Assessment of Grade of Satisfaction of Subjects Receiving Autologous Chondrocyte Implantation (ACI) to Treat Chondral Lesions of the Knee

Grade of Satisfaction	1 Year	2 Years	3 Years	4 Years	5 Years
Very High	19.1%	27.3%	33.3%	27.3%	25.0%
High	48.3%	43.9%	33.3%	63.6%	25.0%
Low	24.7%	22.7%	29.6%	9.1%	50.0%
Very Low	3.4%	6.1%	3.7%	0.0%	0.0%
None	4.5%	0.0%	0.0%	0.0%	0.0%