Advances in Orthopedic Surgery

Clinical Study

Clinical and Radiographic Evaluation of a Commercially Pure Cancellous-Structured Titanium Press Fit Total Hip Prosthetic Stem: Ten-Year Followup of the “Natural Hip” Femoral Stem

Table 4

Natural Hip radiographic data points compared by time of followup.
 5–10 years>10 yearsTotal
Total553792
Calcar contact523082
 94.5%81.2%89.2%
Calcar round-off033
 0.0%8%3.3%
Calcar erosion347
 (>5 mm)5.5%10.8%7.6%
Polywear   
 1-2 mm11314
 1.8%35.1%15.2%
 2-3 mm044
 0.0%10.8%4.3%
 3-4 mm112
 2%2.7%2.2%
Osteolysis011
 0.0%2.7%1.1%