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Table 2 Accuracy (%) of the preoperative templating of the prosthetic component sizes

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
accuracy
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) (n = 56)
Accurate size of the cup 41.0 62.5 20 43.3 40.9 50 42.9
Size of the cup within ± 1 size 76.9 100 80 83.3 77.3 75 80.4
Accurate size of the stem 36.0 37.5 50b 33.3 40.9 66.7b 38.2
Size of the stem within ± 1 size 79.5 87.5 100b 76.7 86.3 100b 81.8
  1. aTwo patients (4 hips) were excluded due to the absence of radiographs
  2. bOne patient received a custom-made stem and was excluded