Research Article

Clinical and Radiographic Comparison of Oxidized Zirconium and Cobalt Chrome Femoral Components of a Single Design Primary Total Knee Arthroplasty: Is the Cost Difference Justified Based on Patient Outcomes?

Table 1

Demographic data.

Oxidized zirconiumCoCrMo alloy

Sample size2084
Male : female6 : 1420 : 64
Left : right Knee9 : 1148 : 36
Age at index surgery (31–65) (44–87)
Cost of entire TKA prosthesis$5,300$3,400

value less than 0.05 (<0.001).