Skull-femoral traction after posterior release for correction of adult severe scoliosis: efficacy and complications

Table 2 Factors related to correction rates of traction and correction surgery

	Scoliosis traction rate		Kyphosis traction rate		Scoliosis correction rate		Kyphosis correction rate
	r	p	r	p	r	p	r	p
Age	−0.382	0.032^a	− 0.405	0.027^a	− 0.426	0.009^a	− 0.422	0.018^a
Preoperative scoliosis	−0.416	0.017^a	–	–	0.218	0.104	–	–
Scoliosis flexibility	0.537	0.006^a	–	–	0.594	0.002*	–	–
Preoperative kyohisis	–	–	0.176	0.094	–	–	0.228	0.058
Kyphosis flexibility	–	–	0.493	0.017^a	–	–	0.483	0.021^a
Scoliosis traction rate	–	–	–	–	0.629	0.002^a	–	–
Kyphosis traction rate	–	–	–	–			0.568	0.003^a