Fig. 5From: 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-upFrequency distribution of the visible blood loss measurements. Its concentration is shown as the obviously centralized distribution in two groups, and in Group, most of the values are approximately 89 ml, in Group DHS, approximately 180 ml.DHS, dynamic hip screw; PFNA-II, Asia proximal femoral nail anti-rotationBack to article page