Table 1. Summary of Patient Parameters after Lengthening (Mean Value and 95% CI).

Parameter	Tibia	Femur	p value
Mean lengthening (cm)*	9.8 (95% CI, 9.2-10.5)	8.4 (95% CI, 7.8-9.0)	0.02
Mean lengthening percentage (%)*	54.7 (95% CI, 50.5-58.8)	37 (95% CI, 34.0-39.9)	< 0.001
Mean lengthening index (days/cm)*	12.1 (95% CI, 11.1-13.2)	15.3 (95% CI, 13.8-16.7)	0.01
Mean external fixator index (days/cm)*	23.0 (95% CI, 21.0-24.9)	42.5 (95% CI, 38.9-46.0)	< 0.001
Mean healing index (days/cm)*	10.7 (95% CI, 8.8-12.6)	28.1 (95% CI, 24.1-32.1)	< 0.001
Mean pixel value ratio at 28 wks*	1.19 (95% CI, 1.14-1.24)	0.99 (95% CI, 0.97-1.01)	0.001

CI, confidence interval.

^*p<0.05.