Table 1: Summary of our study and previous published studies showing the results after femoral lengthening over an intramedullary nail.

Post-Traumatic Pre-existing Nail Type of External Fixator Time in frame External Fixation Index Bone Healing Index Mean Length
Achieved
Kim et al. (2011) 5 cases 5 cases 5 Unilateral 32.2 days 0.46mo/cm 1.71mo/cm 2.58cm
Simpson et al.
(1999)
16 cases 0 cases 3 Ilizarov
13 Unilateral
98 days 0.65mo/cm Not available Not available
Song et al. (2005) 16 cases 0 cases 16 Unilateral 140 days 0.8mo/cm Not available 5cm
Lin et al. (1996) 4 cases 0 cases Ilizarov 1 month after completion of distraction Not available 1.83mo/cm 4cm
Mahboubian et al. (2012) 15 cases 0 cases Unilateral 48 days 0.4mo/cm 1.39mo/cm 4cm
Paley et al. (1997) 11 cases 0 cases Unilateral
Ilizarov
120±60 days 0.7±0.4mo/cm 1.4mo/cm 5.8cm
Kucukkaya et al. (2013) 7cases
(Not explained Number of post-traumatic)
0 cases Unilateral
(Retrograde Nail)
48.1 days 0.37mo/cm 1.38mp/cm 4.3cm
Our study 5 cases 5 cases Hydrid External Fixator 57.6 days 0.56mo/cm 1.49mo/cm 3.84cm