Skip to main content

Table 4 The hidden and visible blood loss of PFNA-II and DHS in the treatment of inter-trochanter fracture (x ± s)

From: The visible and hidden blood loss of Asia proximal femoral nail anti-rotation and dynamic hip screw in the treatment of intertrochanteric fractures of elderly high- risk patients: a retrospective comparative study with a minimum 3 years of follow-up

  Number Operation time (min) Intraoperation bleed (ml) Postoperation drainage (ml) Hidden blood loss (ml) Visible blood loss (ml) Total blood loss (ml)
PFNA-IIa
Male 81 34.1 ± 1.2 33.0 ± 1.8 53.6 ± 2.1 272.9 ± 6.9 86.6 ± 2.6 359.5 ± 7.0
Female 105 36.5 ± 0.3* 36.0 ± 2.2* 55.6 ± 2.4* 280.5 ± 6.3* 91.6 ± 3.5* 372.1 ± 7.3*
Total 186 35.5 ± 1.4 34.7 ± 2.5 54.7 ± 2.5 277.2 ± 7.6 89.4 ± 4.0 366.6 ± 9.5
DHSb
Male 80 49.9 ± 0.6 100.0 ± 4.3 77.6 ± 3.9 133.0 ± 7.0 177.6 ± 5.6 310.5 ± 9.2
Female 97 52.1 ± 1.1* 103.7 ± 8.3* 79.7 ± 5.1* 144.6 ± 8.1* 183.5 ± 10.3* 328.1 ± 14.2*
Total 177 51.1 ± 1.4# 102.0 ± 7.0 # 78.8 ± 4.7# 139.3 ± 9.6# 180.8 ± 9.0# 320.1 ± 15.0#
  1. PFNA-II Asia proximal femoral nail anti-rotation; DHS Dynamic hip screw. *p < 0.01, the male patients vs. the female patients in the same group; #p < 0.01 total patients in Group PFNA-II vs. total patients in Group DHS. Visible blood loss = Intra operation bleed + Post operation drainage. aSmith & Nephew, Memphis, Tennessee; bSynthes, West Chester, PA, USA