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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 1 Objective outcomes and explanation

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

Name

Abbreviation

Explanation

Angular correction

(°)

AC

The amount of correction of angular deviation (°)

Lengthening gap

(days)

LG

The number of days from osteotomy to the start of lengthening (days)

Distraction index

(mm/day)

DI

The amount of lengthening per day (mm/day)

Lengthening length

(cm)

LL

The total amount of lengthening (cm)

Lengthening length percentage

(%)

L%

The lengthening length as a percentage of the initial length (%)

Lengthening index

(days/cm)

LI

The duration of external fixation lengthening in days divided by the amount of lengthening in cm (days/cm)

Bone healing index

(days/cm)

BHI

The time until bony union in days in the frame divided by the amount of lengthening in cm (days/cm)

External fixation index

(days/cm)

EFI

The total time in the external fixation in days divided by the amount of lengthening in cm (days/cm)