International Journal of Implant Dentistry

Table 2 Comparison of 3D deviation by each surgical guide fabrication method

From: Accuracy of a novel modified single computed tomography scanning method for assisting dental implant placement: a retrospective observational study

		The entry of implant body										The tip of implant body
		n	Mean ± SD	Quantiles					95% CI	p value		n	Mean ± SD	Quantiles					95% CI	p value
		n	Mean ± SD	0%	25%	Median	75%	100%	95% CI	p value		n	Mean ± SD	0%	25%	Median	75%	100%	95% CI	p value
a	SCT method	44	0.821 ± 0.431	0.108	0.623	0.788	1.008	2.315	0.690–0.952	a–b	0.059	44	0.996 ± 0.440	0.033	0.742	1.084	1.269	2.215	0.863–1.130	a-b	0.430
a	SCT method	44	0.821 ± 0.431	0.108	0.623	0.788	1.008	2.315	0.690–0.952	a–c	< 0.001	44	0.996 ± 0.440	0.033	0.742	1.084	1.269	2.215	0.863–1.130	a-c	< 0.001
b	DCT method	268	0.690 ± 0.399	0.000	0.428	0.646	0.891	2.259	0.643–0.739	b–a	0.059	268	1.131 ± 0.545	0.050	0.727	1.100	1.433	3.496	1.066–1.198	b-a	0.430
b	DCT method	268	0.690 ± 0.399	0.000	0.428	0.646	0.891	2.259	0.643–0.739	b–c	0.002	268	1.131 ± 0.545	0.050	0.727	1.100	1.433	3.496	1.066–1.198	b-c	< 0.001
c	MSCT method	168	0.564 ± 0.304	0.077	0.338	0.522	0.738	1.978	0.518–0.610	c–a	< 0.001	168	0.742 ± 0.394	0.091	0.451	0.674	0.991	2.091	0.682–0.803	c-a	< 0.001
c	MSCT method	168	0.564 ± 0.304	0.077	0.338	0.522	0.738	1.978	0.518–0.610	c–b	0.002	168	0.742 ± 0.394	0.091	0.451	0.674	0.991	2.091	0.682–0.803	c-b	< 0.001

Bold means p < 0.05
3D: three-dimensional, CT: computed tomography, SCT: single CT scan, DCT: double CT scan, MSCT: modified single CT scan, SD: standard deviation, CI: confidence interval
Steel–Dwass test

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