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Table 4 Postoperative orientation and horizontal coverage of the acetabular component

From: The accuracy of digital templating in cementless total hip arthroplasty in dysplastic hips

  Crowe classification (n = 52 hipsa) Hartofilakidis classification (n = 56 hips) Total (n = 56)
Type I (n = 39) Type II (n = 8) Types III, IV (n = 5) Type A (n = 30) Type B (n = 22) Type C (n = 4)
Inclinationb 43 (22–63) 40.5 (36–54) 47 (39–55) 46.5 (22–63) 40 (22–54) 53.5 (39–59) 43 (22–63)
Anteversionb 18.5 (2–40) (n = 34) 21.5 (14–34) (n = 6) 24 (8–38) (n = 5) 19.5 (2–40) (n = 28) 19 (6–27) (n = 17) 29 (10–38) (n = 4) 19 (2–40) (n = 49)
Retroversionb 3 (2–7)
(n = 5)
8 (5–11)
(n = 2)
0 2.5 (2–3) (n = 2) 6 (2–11)
(n = 5)
0 5 (2–11)
(n = 7)
Coverage %c
 Complete 100 11 4 2 8 7 2 17
 90–99 5 1 1 5 2 1 8
 75–89 20 2 2 15 11 1 27
  < 75 3 1 0 2 2 0 4
  1. aTwo patients (4 hips) were excluded due to the absence of radiographs
  2. Data are presented as the bmedian with the range in parentheses or as the cnumber of hips