Table 2.

Comparisons of thoracolumbar QCT and Cobb’s angle between Groups (n = 312)

Variables	Study group (n = 102)	Control group (n = 210)	p
QCT (mg/cm3)
L1	64.20 ± 23.56	82.15 ± 24.86	0.000*
L2 BMD (mg/cm3) TLHCobb’s TLCobb’s DCTL	65.16 ± 25.44 70.18 ± 23.99 19.95 ± 4.53 12.74 ± 6.24 7.21 ± 2.10	85.16 ± 25.57 91.95 ± 25.06 18.96 ± 4.91 11.32 ± 6.45 7.64 ± 2.16	0.000* 0.000* 0.108 0.101 0.237

^*p < 0.001, BMD was the mean of QCT-L1 and QCT-L2, DCTL was TLHCobb’s minus TLCobb’s

QCT; quantitative computed tomography, BMD; bone mineral density, TLHCobb’s; thoracolumbar hyperflexion Cobb’s angle, TLCobb’s; thoracolumbar Cobb’s angle, DCTL; the difference of Cobb’s angle of TLHCobb’s and TLCobb’s