Thoracolumbar flexion dysfunction and thoracolumbar compression fracture in postmenopausal women: a single-center retrospective study

Table 5 Characteristics of subgroups by DCTL (n = 215)

Variables	Mild ≥ 9.2°	Moderate 9.2°-7.5°	Severe ≤ 7.5°	p
Prevalent fracture [n (%)] Age (year) BMI (kg/m²)	16/76 (21.05) 62.78 ± 4.01 24.16 ± 2.20	29/67 (43.28) 60.67 ± 5.75 25.78 ± 2.52	57/72 (79.17) 71.6.64 ± 5.26 27.87 ± 2.59	0.000* 0.000* 0.000*
QCT (mg/cm³)
L1 L2 BMD (mg/cm³) TLHCobb’s TLCobb’s DCTL	74.77 ± 15.31 75.32 ± 17.61 77.06 ± 16.39 16.35 ± 3.45 6.27 ± 3.37 10.08 ± 0.56	78.16 ± 20.96 81.71 ± 26.69 79.93 ± 23.71 15.35 ± 4.73 6.77 ± 4.97 8.59 ± 0.41	44.75 ± 17.85 45.63 ± 16.59 45.19 ± 16.72 22.96 ± 2.32 17.37 ± 3.88 5.58 ± 1.94	0.000* 0.000* 0.000* 0.000* 0.000* 0.000*

*p < 0.001, BMD was the mean of QCT-L1 and QCT-L2, DCTL was TLHCobb’s minus TLCobb’s
BMI; body mass index, QCT; quantitative computed tomography, BMD; bone mineral density, TLHCobb’s; thoracolumbar hyperflexion Cobb’s angle, TLCobb’s; thoracolumbar hyperflexion Cobb’s angle, DCTL; the difference of Cobb’s angle of thoracolumbar segment

ISSN: 1749-799X