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Table 2 Intraoperative and postoperative complications

From: A retrospective analysis of the InterTan nail and proximal femoral nail anti-rotation-Asia in the treatment of unstable intertrochanteric femur fractures in the elderly

Complications PFNA-II group (n = 72)a IT group (n = 75)b p
Intraoperative complications 18 13 0.255
 Improper placement of the device 1 4 0.388
 Rotational loss of reduction 9 0 0.005
 Penetrating the femoral head 3 3 1.000
 Lateral greater trochanter fractures 1 8 0.045
 Lateral cortex fractures of the proximal femur 1 8 0.045
 Distal interlocking direction change 2 2 1.000
Local complications 20 10 0.030
 Necrosis of the femoral head 2 3 1.000
 Varus collapse of the head/neck 8 1 0.033
 Femoral shaft fractures 8 1 0.033
 Cut-out 6 0 0.033
 Severe lateral migration of the hip screw 1 1 1.000
 Implant failure 1 3 0.641
Pain of hip and thigh 17 7 0.019
Femoral neck shortening, mm 7.4 ± 2.4 4.4 ± 1.1 0.000
Mean healing time of bone 15.7 ± 2.4 14.7 ± 2.1 0.010
Mean ± SD HHS 83.8 ± 7.8 82.6 ± 7.1 0.302
  1. Abbreviation: IT interTAN nail, PFNA-II proximal femoral nail anti-rotation-Asia, HHS Harris hip score
  2. aSynthes, Solothurn, Switzerland
  3. bSmith & Nephew, Memphis, Tennessee