Table 3.

Comparison of single and double level group in different bone

	Femur				Tibia
	SLG	DLG	t	p-value	SLG	DLG	t	p-value
DS (cm)	5.75 ± 1.77	9.39 ± 1.47	−7.021	< 0.001	5.87 ± 1.61	9.11 ± 1.87	−11.738	< 0.001
DT(d)	85.54 ± 24.27	71.64 ± 12.44	2.057	0.044	85.73 ± 22.49	70.67 ± 14.4	4.307	< 0.001
CT(d)	264.02 ± 67.94	235.29 ± 36.54	−3.396	0.001	251.66 ± 55.59	228.91 ± 40.66	2.595	0.010
EFT(d)	393.02 ± 92.35	345.36 ± 46.39	−2.170	0.034	382.97 ± 88.21	339.17 ± 54.2	3.207	0.002
EFI(d/cm)	67.72 ± 11.26	37.19 ± 4.65	9.856	< 0.001	66.22 ± 7.69	38.26 ± 7.02	22.311	< 0.001

Values are presented as mean ± SD. DS defect size, DT docking time, CT consolidation time, EFT external fixation time, EFI external fixation index, SLG single level group, DLG double level group