Table 4 Gibbons classification improvements reported in the literature.

From: Functional outcome of traumatic spinopelvic instabilities treated with lumbopelvic fixation

Author (year)

n

Gibbons classification mean improvement (pre/post)

Decompression

Schildhauer (2006)

19

1.2 (4.0/2.8)

19/19

Bellabarba (2006)

19

1.2 (4.0/2.8)

19/19

Gribnau (2009)

8

0.9 (4.0/3.1)

1/8

Tan (2012)

9

1.2 (3.5/2.3)

6/0

Ayoub (2012)

28

1.6 (3.1/1.5)

14 (direct), 14 (indirect)

Hu (2013)

25

1.2 (3.0/1.8)

13/25

He (2014)

21

1.6 (3.4/1.8)

21/21

Lindahl (2014)

36

1.0 (3.7/2.7)

n/a

Jazini (2017)

24

0.3 (1.9/1.6)

Patients with the need for open decompression were excluded

Xie (2018)

15

1.7 (3.3/1.6)

14/15

Tian (2018)

18

0.9 (2.5/1.4)

10/18

Futamura (2018)

15

0.2 (1.3/1.1)

n/a

Kanezaki (2019)

10

0.5 (2.5/2.0)

n/a