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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Objective outcomes in both groups

From: New bone formation accelerates during lower limb lengthening and deformity correction in children with Ollier’s disease

  

Age (year)

AC (°)

LG (days)

DI (mm/day)

LL (cm)

L% (%)

LI (days/cm)

BHI (days/cm)

EFI (days/cm)

Femur

Group 1(N = 7)

6.30 ± 3.60*

15.97 ± 10.60*

6.14 ± 1.22

1.11 ± 0.40* *

5.17 ± 1.06

19.88 ± 4.70

9.71 ± 2.33*

27.00 ± 11.29*

37.86 ± 10.59**

Group 2 (N = 18)

9.92 ± 3.54*

6.72 ± 7.49*

7.06 ± 1.06

0.78 ± 0.16**

5.41 ± 1.22

16.06 ± 4.98

13.49 ± 3.69*

42.09 ± 14.15*

56.97 ± 15.56**

p

0.032*

0.022*

0.075

0.006**

0.648

0.094

0.020*

0.019*

0.007**

Tibia

Group 1 (N = 4)

8.92 ± 2.35

11.38 ± 9.27

6.50 ± 1.29

0.78 ± 0.18

5.05 ± 1.43

21.72 ± 8.63

13.36 ± 2.90

32.50 ± 8.07

49.09 ± 12.56

Group 2 (N = 11)

7.77 ± 3.42

4.55 ± 12.17

7.36 ± 1.29

0.83 ± 0.29

5.23 ± 1.05

19.89 ± 4.68

13.78 ± 5.59

39.84 ± 13.70

55.08 ± 16.19

p

0.551

0.261

0.271

0.755

0.787

0.600

0.891

0.256

0.517

Lower extremity (femur + tibia)

Group 1 (N = 11)

7.26 ± 3.35

14.30 ± 9.93*

6.27 ± 1.19*

0.99 ± 0.36*

5.12 ± 1.14

20.55 ± 6.04

11.04 ± 3.03

20.00 ± 10.18*

41.94 ± 12.10**

Group 2 (N = 29)

9.28 ± 3.63

5.90 ± 8.50*

7.17 ± 1.14*

0.80 ± 0.22*

5.34 ± 1.14

17.52 ± 5.14

13.60 ± 4.41

41.24 ± 13.78*

56.26 ± 15.54**

p

0.116

0.011*

0.033*

0.049*

0.591

0.120

0.085

0.011*

0.009**

  1. LG lengthening gap, DI distraction index, LL lengthening length, L% lengthening length percentage, LI lengthening index, BHI bone healing index, EFI external fixation index
  2. The difference was significant: *p < 0.05, **p < 0.01