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Table 1 Patients included

From: Zimmer Natural Nail and ELOS nails in pertrochanteric fractures

  Total ZNN ELOS
Age (median, range) 84.2 (66–99) years; 7.19 SD 85.1 (66–99) years; 7.12 SD 82.9 (67–95) years; 7.08 SD
Female/male 119/40 93/26 46/14
Type of fracture 31-A1: 73 31-A1: 58 31-A1: 25
31-A2: 83 31-A2: 49 31-A2: 24
31-A3: 23 31-A3: 12 31-A3: 11