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Table 1 Patients Demographic

From: Halo traction combined with posterior-only approach correction for cervical kyphosis with Neurofibromatosis-1: minimum 2 years follow-up

Gender (M/F)

11/15

Mean age (yr)

16.8 ± 5.5

Max traction weight (kg)

3.9 ± 0.7

Period of traction (days)

23.2 ± 11.4

Period of follow-up (months)

43.0 ± 11.7

Involved vertebra

 C2-C5

4

 C2-C6

4

 C3-C5

4

 C3-C6

8

 C3-C7

4

 C4-C6

1

 C4-C7

1