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Table 3 Values of the bending-compression tests

From: Development and mechanical testing of a short intramedullary nail for fixation of femoral rotational osteotomy in cerebral palsy patients

Bending-compression test
Implant Specimen Repetition Relative stiffness (N/mm) Mean (±SD) Linear displacement (mm) Mean (±SD)
   1 225.47   4.11  
  1 2 228.10 227.88 (2.30) 4.05 4.06 (0.04)
   3 230.06   4.02  
   1 272.62   3.35  
  2 2 272.38 276.87 (7.56) 3.22 3.20 (0.15)
   3 285.60   3.05  
   1 316.71   3.08  
Nail 3 2 304.34 306.73 (9.03) 3.28 3.22 (0.13)
   3 299.13   3.31  
   1 258.77   3.54  
  4 2 309.96 300.71 (38.17) 2.99 3.12 (0.37)
   3 333.41   2.83  
   1 218.60   4.02  
  5 2 227.81 229.13 (11.25) 3.81 3.82 (0.20)
   3 240.99   3.62  
   1 420.74   2.21  
  1 2 447.78 435.13 (13.60) 2.08 2.13 (0.07)
   3 436.87   2.11  
   1 299.74   3.36  
Plate 2 2 318.07 298.44 (20.32) 2.89 3.19 (0.26)
   3 277.50   3.30  
   1 393.32   2.36  
  3 2 355.89 365.29 (24.71) 2.65 2.56 (0.18)
   3 346.67   2.67  
   1 388.25   2.43  
  4 2 409.20 413.62 (27.84) 2.34 2.28 (0.18)
   3 443.41   2.09  
   1 447.12   2.08  
  5 2 451.98 432.38 (29.83) 2.03 2.12 (0.13)
   3 398.05   2.27  
  1. Values found in the bending-compression tests according to the groups fixed with plate and nail and variability between repetitions of the mechanical tests.