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Table 2 Grade of the infraglenoidal scapular notching after implantation of an inverted total shoulder prosthesis according to Nerot et al. 16

From: Infraglenoidal scapular notching in reverse total shoulder replacement: a prospective series of 60 cases and systematic review of the literature

  Percentage Corresponding notching according to Nerot et al. 15
MT - Fup, n = 48   
Grade 0 65%* "no notch"
Grade 1 20%* "small notch"
Grade 2 3%* "notch with condensation"
Grade 3 6%* "erosion up to the inferior screw"
Grade 4 6%* "erosion over the inferior screw with extension under the base plate "
  Percentage  
LT - Fup, n = 12   
Grade 0 62%* "no notch"
Grade 1 38%* "small notch"
Grade 2 0%* "notch with condensation"
Grade 3 0%* "erosion up to the inferior screw"
Grade 4 0%* "erosion over the inferior screw with extension under the base plate "
  1. We divided these 60 patients in 48 patients with a mid-term (MT-Fup; 24-50 months) and 12 patients with a long-term follow-up (LT-Fup; 60-96 months). Infraglenoidal scapular notching was divided in "grade 0" for "no notch", "grade 1" for "small notch", "grade 2" for "notch with condensation", "grade 3" for "erosion up to the inferior screw", and "grade 4" for "erosion over the inferior screw with extension under the base plate"
  2. * These percentages are calculated using the sum of four measurements in total (twice by two examiners).
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