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Table 3 Radiological measurements of patients with long-term unreduced hip joint dislocation, secondary osteoarthritis and pseudoarthrosis

From: Diagnosis, preoperative evaluation, classification and total hip arthroplasty in patients with long-term unreduced hip joint dislocation, secondary osteoarthritis and pseudoarthrosis

Case Upward shift distance of the rotational center (mm) Backward shift distance of the rotational center (mm) Coverage of the pseudoacetabulum (°) Contralateral acetabular diameter (D, mm) Original acetabular diameter (d, mm) Original acetabular bone deficiency
1 30.5 32.4 43.1 44.6 33.5
2 26.0 36.4 37.2 47.6 38.8
3 29.4 30.6 38.1 51.6 52.1 Paprosky I
4 29.9 35.8 53.6 52.0 51.8
5 25.8 24.8 34.5 39.8 38.5 Paprosky I
6 30.6 28.6 38.5 55.2 56.3
7 23.6 29.2 50.2 48.6 49.1
8 26.2 23.8 47.9 50.1 39.6
9 27.6 15.1 23.5 44.5 45.0 Paprosky IIB
10 22.8 26.5 55.8 51.8 40.6
11 30.6 28.7 52.5 50.8 41.6
12 22.3 29.6 39.0 53.5 55.2
13 27.5 22.8 53.1 49.6 38.2
14 26.5 23.0 52.3 46.8 42.1 Paprosky IIA
15 23.6 28.9 42.8 49.5 38.0
16 29.8 25.8 38.6 48.6 44.4 Paprosky I