Clinical Study

Short to Midterm Follow-Up of Periprosthetic Bone Mineral Density after Total Hip Arthroplasty with the Ribbed Anatomic Stem

Table 4

Radiographic evaluation of the femoral component.

Evaluation contentNo. of patientsPercentage (%)

Contact collar-calcar
 Good2560.97
 Fair1229.27
 Poor49.76
Fixation screw-trochanter
 Good2151.22
 Fair1434.15
 Poor614.63
Contact prosthesis-isthmus
 Good3790.24
 Fair49.76
 Poor00
Femoral stem alignment
 Varus37.32
 Neutral3892.68
 Valgus00
Heterotopic ossification
 I1024.39
 II12.44
 III00
 IV00
Pedestal sign
 Incomplete614.63
 Complete00
Spot welds2868.29
Reactive lines (<2 mm)1434.15
Radiolucent line (>2 mm)00
Femoral stem subsidence, migration or loosening00