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Table 1 Major exclusion criteria

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

  PFNA-IIb DHSc
Grand total 285 304
Hypertension (n) 51 45
Diabetes (n) 52 53
Hypertension and diabetes (n) 12 13
Rheumatoid arthritis (n) 8 12
Steroid consumption (n) 11 10
Kidney failure (n) 6 4
Hemodialysis (n) 5 11
Delirium and agitation (n) 2 1
Liver cirrhosis (n) 15 18
Organ transplant (n) 4 3
Oxygen dependence (n) 3 6
Hemodynamic instabilitya (n) 1 2
Concomitant use of heparin (n) 5 3
Multiple organ failure (n) 6 3
Heart failure (n) 3 9
Deaths (n) 12 7
Mental illness(n) 1 2
More blood loss (>1.0 L) (n) 2 6
Consumption of non-steroidal anti-inflammatory drugs (n) 8 6
Diseases of erythrocyte injury (n) 5 1
Laboratory signs of bleeding disorders (n) 4 3
Hematologic diseases (n) 3 7
ASA score of V (n) 4 11
Inability to walk before injury (n) 5 8
Chemotherapy (n) 10 11
Poly-trauma (n) 13 22
Pathological fractures (n) 10 7
Multiple above mentioned indicators (n) 24 20
  1. aRequirement for multiple pressors or inability to maintain mean arterial pressure with single-pressor support. PFNA-II: Asia proximal femoral nail anti-rotation; DHS dynamic hip screw. bSmith & Nephew, Memphis, Tennessee; cSynthes, West Chester, PA, USA