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Table 2 Intraoperative and postoperative conditions of patients with humeral, femoral or tibial fracture in two groups

From: Comparison of our self-designed rotary self-locking intramedullary nail and interlocking intramedullary nail in the treatment of long bone fractures

Fractures Operative parameters RSIN IIN p value
Humerus Operative time (min) 65 ± 15 95 ± 25 <0.0001
Intraoperative blood loss (ml) 80 ± 30 125 ± 30 <0.0001
Healing rate in patients with 1 year follow-up (%) 95.4% (83/87) 92.0% (80/87) 0.535
Complications (n)    0.046
Radial nerve injury 1 8
Incision infection 1 2
Neer score (n)    0.092
Excellent 79 73
Good 6 5
Poor 2 9
Aitken and Rombeck's score (n)    0.707
Excellent 74 73
Good 11 12
Poor 2 4
Femur Operative time (min) 70 ± 20 100 ± 30 <0.0001
Intraoperative blood loss (ml) 150 ± 50 190 ± 60 <0.0001
Healing rate in patients with one year follow up (%) 98.1% (102/104) 88.5% (92/104) 0.010
Complications (n)    0.016
Incision infection 0 1
Nail breakage or loosening 0 7
Lysholm score (n)    0.992
Excellent 84 83
Good 13 13
Fair 5 6
Poor 2 2
Tibia Operative time (min) 55 ± 15 85 ± 25 <0.0001
Intraoperative blood loss (ml) 10 ± 5 15 ± 10 <0.0001
Healing rate in patients with 1 year follow up 92.1% (116/126) 81.2% (103/126) 0.024
Complications (n)    0.000
Nail breakage or loosening 0 16
Lysholm score (n)    0.986
Excellent 110 109
Good 10 10
Fair 3 4
Poor 3 3
AOFAS score (n)    0.990
Excellent 113 112
Good 7 7
Fair 4 5
Poor 2 2
  1. RSIN rotary self-locking intramedullary nail, IIN intramedullary interlocking nail, AOFAS American Orthopaedic Foot and Ankle Society.