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Table 2 Neer classification

From: Dynamic-locking-screw (DLS)–leads to less secondary screw perforations in proximal humerus fractures

   2-part 3-part 4-part
Neer I     3
Neer II anatomical neck 5   
Neer III surcical neck 16   
Neer IV greater tuberosity   10 5
Neer V lesser tuberosity   5 7
Neer VI fracture dislocation   2 3
Total   21 17 18