Progress in Orthodontics

Table 6 One-way ANOVA test for COS depth measurements between the three groups

From: Curve of Spee modification in different vertical skeletal patterns after clear aligner therapy: a 3D set-up retrospective study

	Sum of squares	df	Mean square	F	Sig.
∆7MB
Between groups	1.32	2	0.66	0.19	0.827
Within groups	337.42	97	3.48
Total	339.75	99
∆6MB
Between groups	16.57	2	8.28	5.16	0.007**
Within groups	155.55	97	1.60
Total	172.13	99
∆5MB
Between groups	29.69	2	14.84	5.64	0.005**
Within groups	254.96	97	2.62
Total	284.65	99
∆4B
Between groups	16.13	2	8.06	3.16	0.04*
Within groups	252.06	99	2.54
Total	268.19	101

*p < 0.05; **p < 0.01

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