Fig. 6From: 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-upVariable mean differences between two groups: in Group DHS, IOB and POD are larger than that in Group PFNA-II, HBL and TBL are less than that in Group PFNA-II. DHS, dynamic hip screw; PFNA-II, Asia proximal femoral nail anti-rotation; IOB, Intra-operation bleed; POD, Post-operation drainage; HBL, Hidden blood loss; TBL, Total blood lossBack to article page