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; Chong Liu; Shian Liao; Chaojie Yu; Tuo Liang; Zhaojie Qin; Shengsheng Huang; Xuhua Sun; Ming Yi; Zhaojun Lu; Zequn Wang; Guoyong Xu; Zide Zhang; Jiarui Chen; Jie Jiang; Xinli Zhan

doi:10.12659/MSM.929149

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^1ABCDEFG, Chong Liu^1ABC, Shian Liao^1BC, Chaojie Yu^1DE, Tuo Liang^1BC, Zhaojie Qin^1BD, Shengsheng Huang^1AB, Xuhua Sun^1BC, Ming Yi^1AB, Zhaojun Lu^1AD, Zequn Wang^1A, Guoyong Xu^1B, Zide Zhang^1C, Jiarui Chen^1D, Jie Jiang^1C, Xinli Zhan^1AFG*

DOI: 10.12659/MSM.929149

Med Sci Monit 2021; 27:e929149

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

Parameters	Group 1	Group 2	P value

Main thoracic curve Cobb angle, degree	62.75±15.11	62.59±16.47	0.975
Side-bending Cobb	39.13±17.43	32.19±15.69	0.186
C7-CSVL, mm	19.01±10.75	14.05±8.13	0.094
SVA, mm	23.29±13.25	34.00±21.07	0.083
CL, degree	11.50±11.22	12.52±9.52	0.450
TK, degree	13.38±7.15	22.59±14.19	0.026^*
LL, degree	44.63±13.32	55.33±9.01	0.003^**
PI, degree	47.56±9.42	47.70±7.17	0.956
SS, degree	40.38±12.71	41.15±7.12	0.825
PT, degree	7.50±10.17	6.56±5.15	0.733
Postoperative
Main thoracic curve Cobb angle, degree	20.38±8.09	21.89±10.31	0.618
C7-CSVL, mm	9.73±7.32	10.82±9.17	0.687
SVA, mm	17.49±13.07	20.99±15.11	0.436
CL, degree	15.06±6.78	16.85±7.87	0.640
LL, degree	46.38±10.53	52.67±11.38	0.079
PI, degree	48.38±12.16	50.48±8.31	0.504
SS, degree	38.94±10.59	39.70±6.43	0.796
PT, degree	9.50±6.48	10.56±6.80	0.619
Ponte osteotomy	10	5	0.003^**
Fusion segment	11.62±1.09	10.85±1.41	0.072
Screw density	1.23±0.15	1.19±0.22	0.573
Preoperative flexibility, %	38.99±16.04	49.79±18.00	0.055
Main thoracic curve correction rate, %	66.77±12.80	65.71±11.76	0.784
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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A Retrospective Study of Factors Associated with Restoration of Thoracic Kyphosis in 43 Patients with Adolescent Idiopathic Scoliosis with Lenke Type 1 Curvature

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