data research - Materials - 3D printed orthodontic distalizers.xlsx

	B	C	D	E	F	G
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2	Variable	Statistics or category	Group		P value	Statistical test
3			WHITE	CLEAR
4	n		6	6	n.a.
5	Age [years]	mean±SD	27.0±4.10	27.5±5.79	0.866*	t-test
6		median (range)	27 (20-31)	27 (21-37)	0.866*	t-test
7	Sex	male	1	2	0.591*	Fisher exact test
8		female	5	4	0.591*	Fisher exact test
9	Side of oral cavity	left	3	3	0.999*	Fisher exact test
10		right	3	3	0.999*	Fisher exact test
11	Distance to distalization target [mm]	mean±SD	3.42±0.861	3.75±1.129	0.578	t-test
12		median (range)	3.25 (2.5-5.0)	3.5 (2.5-5.5)	0.578	t-test
13	Time until target achieved [weeks]	mean±SD	23.2±4.01	28.2±6.49	0.223	Mann-Whitney test
14		median (range)	21.5 (20-30)	28.5 (19-36)	0.223	Mann-Whitney test
15	Total failuresa	meanb (Poisson CI)	0.5 (0.10-1.46)	0.67 (0.18-1.71)	0.706	Poisson regression
16	Material preference	white	1	1	0.999	Fisher exact test
17		clear	6	6	0.999	Fisher exact test
18	Abbreviations: SD - standard deviation, CI - confidence interval
19	* For descriptive (not inferential) purpose only
20	a Total sum of debonding and breaking
21	b Expected number of events
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24	Effect	Total failures# - Test of all effects (data výskum - Materials - 3D-printed orthodontic distalizers) Distribution : POISSON Link function: LOG
25	Effect	Degr. of	Wald	p
26	Intercept	1	2.069055	0.150315
27	material patient had	1	0.141876	0.706423
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