Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 3 Baseline characteristics of participants classified by the presence or absence of ossification

From: Epidemiology of ossification of the spinal ligaments and associated factors in the Chinese population: a cross-sectional study of 2000 consecutive individuals

Number C-OPLL T-OPLL T-OLF
+(n = 82) -(n = 1918) p +(n = 45) -(n = 1955) p +(n = 753) -(n = 1247) p
Age(y) 51.7 ± 9.1 48.4 ± 9.9 0.003 51.8 ± 11.2 48.4 ± 9.9 0.026 49.7 ± 9.7 47.8 ± 9.9 < 0.001
Height(cm) 167.3 ± 7.6 167.4 ± 7.9 0.941 166.1 ± 7.9 167.4 ± 7.8 0.259 167.1 ± 7.7 167.6 ± 7.9 0.257
Weight(kg) 74.6 ± 13.8 68.5 ± 12.5 < 0.001 71.5 ± 13.6 68.7 ± 12.6 0.156 68.3 ± 12.9 69.1 ± 12.4 0.222
BMI(kg/m2) 26.5 ± 3.8 24.3 ± 3.3 < 0.001 25.8 ± 3.3 24.4 ± 3.3 0.008 24.3 ± 3.4 24.5 ± 3.3 0.364
CL(°) 8.2 ± 7.1 7.8 ± 6.2 0.648 8.5 ± 8.2 7.8 ± 6.2 0.479 8.0 ± 6.3 7.8 ± 6.2 0.380
TK(°) 16.8 ± 7.0 18.4 ± 7.7 0.073 19.1 ± 8.8 18.3 ± 7.7 0.505 19.2 ± 8.1 17.8 ± 7.4 < 0.001
LL(°) 38.9 ± 9.1 40.7 ± 10.6 0.128 41.2 ± 11.1 40.6 ± 10.5 0.708 41.8 ± 10.7 39.9 ± 10.3 < 0.001
SS(°) 35.9 ± 6.6 37.2 ± 10.7 0.293 37.4 ± 7.6 37.1 ± 10.6 0.853 37.5 ± 7.7 36.6 ± 7.4 0.008
SVA(cm) 1.79 ± 1.10 1.88 ± 2.00 0.716 1.84 ± 1.30 1.87 ± 1.99 0.916 1.86 ± 1.33 1.88 ± 2.28 0.811
  1. BMI body mass index, CL cervical lordosis, TK thoracic kyphosis, LL lumbar lordosis, SS sacral slope, SVA sagittal vertical axis, C cervical, T thoracic, L lumbar, OPLL ossification of the posterior longitudinal ligament, OLF ossification of the ligamentum flavum