The correlations between the anchor density and the curve correction of adolescent idiopathic scoliosis surgery

Table 3 Correlations between anchor density and curve correction in different curve sizes and flexibilities

Parameters	Small curve (40°-60°)(N=89)		Large curve (>60°)(N=38)		Stiff curve (flexibility ≤ 40%) (N=78)		Flexible curve (flexibility > 40%)(N=49)
Parameters	r	p	r	p	r	p	r	p
Correction rate	-0.04	0.69	-0.10	0.54	-0.04	0.73	-0.05	0.71
Correction index	-0.03	0.78	0.02	0.92	-0.04	0.71	-0.15	0.30
TK correction	0.38	<0.001	-0.06	0.72	0.24	0.06	0.34	0.01
LL correction	0.01	0.90	-0.15	0.39	-0.07	0.54	0.06	0.69
AVR correction	-0.04	0.70	-0.01	0.95	-0.08	0.48	0.07	0.66
AVT correction	0.05	0.65	0.01	0.96	-0.12	0.29	0.23	0.12

r Pearson’s correlation coefficient, p p value
TK thoracic kyphosis, LL lumbar lordosis, AVR apical vertebral rotation, AVT apical vertebral translation

ISSN: 1471-2474