[Retracted] Feasibility Analysis of 3D Printing-Assisted Pedicle Screw Correction Surgery for Degenerative Scoliosis

Table 3

Comparison of scoliotic Cobb’s angle and PI-LL between two groups.

Group	Scoliosis Cobb’s angle		PI-LL
	Before	After	Before	After
Study (n = 82)	20.58 ± 2.03	5.10 ± 0.32	35.51 ± 0.56	13.92 ± 0.37
Control (n = 78)	20.47 ± 2.10	5.91 ± 0.43	35.23 ± 0.49	13.10 ± 0.33
t	1.673	12.274	1.538	8.379
	0.564	0.005	0.826	<0.001