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20 February 2021: Clinical Research

A Retrospective Study of Factors Associated with Restoration of Thoracic Kyphosis in 43 Patients with Adolescent Idiopathic Scoliosis with Lenke Type 1 Curvature

Liyi Chen ABCDEFG* , Chong Liu ABC* , Shian Liao BC , Chaojie Yu DE , Tuo Liang BC , Zhaojie Qin BD , Shengsheng Huang AB , Xuhua Sun BC , Ming Yi AB , Zhaojun Lu AD , Zequn Wang A , Guoyong Xu B , Zide Zhang C , Jiarui Chen D , Jie Jiang C , Xinli Zhan AFG*

DOI: 10.12659/MSM.929149

Med Sci Monit 2021; 27:e929149

Table 5 Univariate analysis of parameters between the 2 groups (mean±standard deviation).

ParametersGroup 1Group 2P value
 Main thoracic curve Cobb angle, degree62.75±15.1162.59±16.470.975
 Side-bending Cobb39.13±17.4332.19±15.690.186
 C7-CSVL, mm19.01±10.7514.05±8.130.094
 SVA, mm23.29±13.2534.00±21.070.083
 CL, degree11.50±11.2212.52±9.520.450
 TK, degree13.38±7.1522.59±14.190.026*
 LL, degree44.63±13.3255.33±9.010.003**
 PI, degree47.56±9.4247.70±7.170.956
 SS, degree40.38±12.7141.15±7.120.825
 PT, degree7.50±10.176.56±5.150.733
 Main thoracic curve Cobb angle, degree20.38±8.0921.89±10.310.618
 C7-CSVL, mm9.73±7.3210.82±9.170.687
 SVA, mm17.49±13.0720.99±15.110.436
 CL, degree15.06±6.7816.85±7.870.640
 LL, degree46.38±10.5352.67±11.380.079
 PI, degree48.38±12.1650.48±8.310.504
 SS, degree38.94±10.5939.70±6.430.796
 PT, degree9.50±6.4810.56±6.800.619
Ponte osteotomy1050.003**
Fusion segment11.62±1.0910.85±1.410.072
Screw density1.23±0.151.19±0.220.573
Preoperative flexibility, %38.99±16.0449.79±18.000.055
Main thoracic curve correction rate, %66.77±12.8065.71±11.760.784
C7-CSVL – center of a C7 plumb line to the center sacral vertical line; CL – cervical lordosis; LL – lumbar lordosis; PI – pelvic incidence; PT – pelvic tilt; SS – sacral slope; SVA – sagittal vertical axis; TK – thoracic kyphosis.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750