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Table 1 McCormack load sharing classification (Reference [23])

From: Hybrid kyphoplasty with short-versus intermediate- and long-segment pedicle screw fixations for the management of thoracolumbar burst fractures

Score

1 point

2 points

3 points

Comminution

< 30%

30–60%

> 60%

Fragment displacement

Minimal displacement

Displacement < 50%

Displacement > 50%

Kyphosis correction

3°

4°–9°

≥10°