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Table 1 Subjects demographic and clinical characteristics (mean and standard deviation)

From: Biomechanical assessment of balance and posture in subjects with ankylosing spondylitis

  CS AS P
Age [years] 51.4 (13.9) 49.4 (10.5) 0.694
Sex (male/female) 6/6 8/4 0.430
Disease duration [years]   9.6 (6.6)  
BMI [kg/m 2 ] 23.1 (2.4) 25.4 (3.2) 0.052
Kyphosis 45.3 (9.4) 54.8 (12.2) 0.044*
Lordosis 36.2 (11.2) 28.8 (14.7) 0.182
Pelvic anteversion 5.7 (2.3) 1.00 (3.6) 0.016*
Flexion-extension of lumbar spine 69 (14.8) 31.3 (13.8) 0.001*
Lateral inclination of thoraco-lumbar spine 58.5 (13.3) 29.1 (18.2) 0.001*
Rotation of thoraco-lumbar spine 90.3 (12.8) 70.2 (23.9) 0.016*
Total range of motion of thoraco-lumbar spine 221.5 (30.1) 130.7 (44.7) 0.001*
Flexion-extension of cervical spine 121.2 (15.0) 90.5 (32.8) 0.007*
Lateral inclination of cervical spine 78.4 (10.5) 52.8 (23.7) 0.002*
Rotation of cervical spine 118.3 (15.5) 102.08 (39.0) 0.193
Total range of motion of cervical spine 318.0 (25.0) 245.4 (84.7) 0.009*
  1. * Statistical significance (P < 0.05).