Table 3.

Variables used in the model with associated utilities

Variables	Utilities	Reference	Costs
Total ankle arthroplasty	0.9	24	$19,650
Revision total ankle arthroplasty	0.8	24	$16,230
Primary ankle fusion	0.8	24	$6580
Revision ankle fusion	0.75	Estimated	$6580
Below-knee amputation	0.6	Estimated	$11,180
Ipsilateral foot arthritis	0.7	24	–
Short-term toll complication	−0.5	Estimated	$2000
Short-term toll total ankle arthroplasty	−0.125	Estimated	–
Short-term toll ankle fusion and below-knee amputation	−0.25	Estimated	–