TABLE I.

Treatment Group Characteristics

	Amputation Group (N = 20)	Limb Reconstruction Group (N = 22)	P Value	Power Value
Age at time of review* (yr)	10.0 ± 3.0 (5-14)	8.7 ± 2.6 (5-15)	0.057	0.482
Male:female ratio (no. of patients)	14:6	9:13	0.059	0.555
Ethnicity (Caucasian:non-Caucasian) (no. of patients)	9:11	16:6	0.07	0.494
Highest parent education (no. of patients)			0.003
Less than college	7	0
Some college or college	12	15
Graduate school	1	7
Family income (no. of patients)			0.002
<$50,000	10	1
$50,000-$100,000	6	8
>$100,000	4	13
Time since amputation or first limb-lengthening* (yr)	8.3 ± 3.5	6.3 ± 3.0	0.065	0.458
No. of procedures per patient*†	1.2 ± 0.4	3.5 ± 1.9	<0.001
Surgical complications†	0	9 (41%)‡	—	—
Limb-length discrepancy at time of review* (cm)	NA	6.1 (0.6-15.0)	—	—

^*The values are given as the mean, with or without the standard deviation, with the range in parentheses. NA = not applicable.

^†Obtained from retrospective medical record review.

^‡Joint contracture (5), nerve injury (1), premature consolidation (2), pin-site infection (1).