Table 3.

Demographic and Clinical Data for Lengthening Patients (Number of Limbs = 67)

Variable	NSAID-Free Protocol, N = 31	NSAID Protocol, N = 36	P Value	Method
Age (yr), median (IQR)	26 (26)	27 (19.2)	0.64	Wilcoxon-Mann-Whitney test
Sex (male), N (%)	21 (67.7)	21 (58.3)	0.46	Fisher exact test
Laterality (right), N (%)	10 (32.3)	17 (47.2)	0.32	Fisher exact test
Children 16 and younger, N (%)	6 (19.4)	8 (22.2)	0.99	Fisher exact test
Smoking, N (%)	4 (12.9)	3 (8.3)	0.70	Fisher exact test
Osteomyelitis, N (%)	2 (6.5)	3 (8.3)	0.99	Fisher exact test
Etiology			1.0	Fisher exact test
Congenital, N (%)	21 (67.7)	24 (66.7)
Post traumatic, N (%)	10 (32.3)	12 (33.3)
Bone
Femur, N (%)	22 (71.0)	24 (66.6)	0.79	Fisher exact test
Tibia, N (%)	9 (29.0)	12 (33.3)	0.79	Fisher exact test
Precise IM nail, N (%)	25 (80.6)	27 (75.0)	0.77	Fisher exact test
External fixator, N (%)	6 (19.4)	9 (25.0)	0.77	Fisher exact test
Lengthening (mm), median (IQR)	42 (29)	36 (32.8)	0.91	Wilcoxon-Mann-Whitney test
BHI (d/cm), median (IQR)	29 (17)	38 (23)	0.07	Wilcoxon-Mann-Whitney test

BHI = bone healing index, IQR = interquartile range, IM = Intramedullary