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Table 1 Details of the patients

From: Does the thoracolumbar kyphosis secondary to ankylosing spondylitis affect the iliac trajectory of S2AI screw?

  AS deformity AS non-deformity non-AS deformity
n 94 20 20
Gender, male (%) 89 90 90
age 36.8 ± 9.8 37.5 ± 10.9 40.8 ± 5.1
BMI 25.9 ± 5.3 24.5 ± 3.5 24.6 ± 3.4
GK 69.5 ± 15.9 46.2 ± 17.7* 65.7 ± 14.9
PT 37.7 ± 10.9 24.5 ± 11.2* 28.1 ± 15.4*
SS 6.7 ± 8.4 18.4 ± 8.9* 19.0 ± 11.3*
  1. AS Ankylosing spondylitis, BMI Body mass index, GK Global kyphosis, PT Pelvic tilt, SS Sacral slope
  2. * data was statistically different from that of AS deformity (P < 0.05)