[Retracted] Mathematical Modeling and Nail Placement Accuracy Analysis of NF-1 Neurofibromatosis Scoliosis

Table 4

SPSS analysis of coronary curative effect in neurofibroma group.

Paired sample test
Pairwise difference
95% confidence interval of the difference
	Mean value	Standard deviation	Standard error of the mean	Lower limit	Upper limit	T
For 1 preoperative Cobb angle, postoperative Cobb angle	39.75000	14.30851	3.57713	35.15554	47.37446	11.11215
For 2 preoperative Cobb angles, the last Cobb angle	37.31250	13.66123	3.41531	30.03295	44.59205	10.92515
For 3 postoperative cob angles, last Cobb angle	−2.43750	2.58118	0.64530	−3.81291	−1.06209	−3.77715
The postoperative correction rate of 4 cases, follow-up correction rate	3.53750	3.42926	0.85732	1.71018	5.36482	4.12615