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

Table 5

SPSS analysis of coronal efficacy in patients with idiopathic scoliosis.

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	39.06250	10.42733	2.60683	33.50617	44.61883	14.98515
For 2 preoperative Cobb angles, the last Cobb angle	37.37500	10.70125	2.67531	31.67271	43.07729	13.97015
For 3 postoperative cob angles, last Cobb angle	−1.68750	1.74045	0.43511	−2.61492	−0.76008	−3.87815
The postoperative correction rate of 4 cases, follow-up correction rate	0.776875	3.20369	0.80092	1.06062	4.47588	3.45715