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Table 4 Results of several previous studies

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

Authors

Year

Case

Pre-OP Cobb

Post-OP Cobb

Traction

Surgical procedure

Correction rate(%)

Yonezawa, I. et al [8]

2003

1

72

35

No

ASF + PSF

51.40

Laohacharoensombat, W. et al [29]

2010

1

120

55

Skull traction

ASF

54

J.M. Ma et al [30]

2011

8

58.5

2.5

No

540° comb procedure

95.7

F.L. Wu et al [11]

2012

1

125

30

Cervical suspensory traction

ASF + PSF

76

Kawabata, S. et al [7]

2013

3

140/81/72

50/15/27

Halo-gravity traction

ASF + PSF

64.3/81.5/62.5

Kevin R. Choksey et al [10]

2015

1

46

28

No

ASF

39.1

Y.F. Gu et al [32]

2018

7

67.7

12.4

Skull traction

ASF

83.1

J.C. Wang et al [31]

2019

10

82.0

27.3

Skull traction

ASF + PSF

66.7