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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

 PreoperativePostoperative
Nonfailure (9 cases)Failure
(6 cases)
P valueNonfailure (9 cases)Failure
(6 cases)
P value
C-SVA62.4 ± 15.564.3 ± 13.60.9531.1 ± 18.439 ± 18.20.26
C2–7A−43.1 ± 27.3−53.5 ± 16.70.7814.9 ± 10.115.8 ± 17.80.95
T1slope33.2 ± 12.834.2 ± 19.50.9536.8 ± 10.238.5 ± 15.51
SVA−35.4 ± 26.634.7 ± 36.40.002*4.44 ± 35.248.7 ± 29.30.0025*
TK43.2 ± 12.835.5 ± 17.30.3341.8 ± 11.037.2 ± 16.20.33
LL52.9 ± 11.430.3 ± 29.50.1851.7 ± 11.330.8 ± 30.10.27
PI-LL−5.7 ± 14.823 ± 22.40.008*− 3.3 ± 14.721.3 ± 23.40.003*
PT20.4 ± 12.733.2 ± 11.50.0918.1 ± 11.330 ± 13.50.11
  1. *Significantly different