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Table 3 Comparison of sagittal alignment parameters between the failure and nonfailure groups

From: Impact of Spinopelvic sagittal alignment on the surgical outcomes of dropped head syndrome: a multi-center study

 

Preoperative

Postoperative

Nonfailure (9 cases)

Failure

(6 cases)

P value

Nonfailure (9 cases)

Failure

(6 cases)

P value

C-SVA

62.4 ± 15.5

64.3 ± 13.6

0.95

31.1 ± 18.4

39 ± 18.2

0.26

C2–7A

−43.1 ± 27.3

−53.5 ± 16.7

0.78

14.9 ± 10.1

15.8 ± 17.8

0.95

T1slope

33.2 ± 12.8

34.2 ± 19.5

0.95

36.8 ± 10.2

38.5 ± 15.5

1

SVA

−35.4 ± 26.6

34.7 ± 36.4

0.002*

4.44 ± 35.2

48.7 ± 29.3

0.0025*

TK

43.2 ± 12.8

35.5 ± 17.3

0.33

41.8 ± 11.0

37.2 ± 16.2

0.33

LL

52.9 ± 11.4

30.3 ± 29.5

0.18

51.7 ± 11.3

30.8 ± 30.1

0.27

PI-LL

−5.7 ± 14.8

23 ± 22.4

0.008*

− 3.3 ± 14.7

21.3 ± 23.4

0.003*

PT

20.4 ± 12.7

33.2 ± 11.5

0.09

18.1 ± 11.3

30 ± 13.5

0.11

  1. *Significantly different