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Table 1 Perioperative data of patients

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

Variable PFNA-II group (n = 72)a IT group (n = 75)b p
Sex, no. M/F 32/40 35/40 0.787
Mean ± SD age, years 74.2 ± 9.1 75.2 ± 8.8 0.526
Side, no. left/right 38/34 43/32 0.579
AO/OTA fracture type, no.  
31A2.1 6 8 0.630
31A2.2 19 24 0.455
31A2.3 10 8 0.551
31A3.1 21 15 0.196
31A3.2 11 16 0.343
31A3.3 5 4 0.950
Mean operative time, minutes 52.3 ± 4.0 71.9 ± 6.8 0.000
Mean blood loss, mL 180.9 ± 10.8 190.6 ± 6.0 0.000
Mean fluoroscopy time, minutes 2.8 ± 0.33 5.0 ± 0.48 0.000
Mean hospital stay, days 8.58 ± 0.93 9.65 ± 0.95 0.000
TAD, mm 23.2 ± 1.22 26.7 ± 0.91 0.000
  1. Abbreviation: IT interTAN nail, PFNA-II proximal femoral nail anti-rotation-Asia, TAD tip-apex distance
  2. aSynthes, Solothurn, Switzerland
  3. bSmith & Nephew, Memphis, Tennessee