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 |