Comparison of Soft Tissue Changes Produced by Two Different Appliances on Mixed Dentition Children

Table 5

Results for multiple linear regression of cephalometric variables of Holdaway analysis.

Variable		Coefficients			value	95% CI for
Dependent	Independent		SE			Lower	Upper
Soft tissue facial angle (°)	Constant	0.586	1.763	0.333	0.740	-2.916	4.088	0.04
	Age	0.195	0.666	0.293	0.770	-1.127	1.517
	Sex	0.116	0.667	0.174	0.862	-1.210	1.442
	Type of appliance	-1.353	0.664	-2.038	0.044	-2.672	-0.034
Nose prominence (mm)	Constant	0.820	0.566	1.448	0.151	-0.305	1.945	0.03
	Age	0.039	0.214	0.181	0.857	-0.386	0.463
	Sex	-0.208	0.214	-0.972	0.334	-0.634	0.217
	Type of appliance	-0.300	0.213	-1.406	0.163	-0.724	0.124
Superior sulcus depth (mm)	Constant	-0.285	0.565	-0.505	0.615	-1.408	0.837	0.002
	Age	0.047	0.213	0.219	0.827	-0.377	0.471
	Sex	-0.026	0.214	-0.121	0.904	-0.451	0.399
	Type of appliance	-0.074	0.213	-0.346	0.730	-0.496	0.349
Subnasale to H-line (mm)	Constant	-0.405	0.674	-0.600	0.550	-1.744	0.935	0.13
	Age	-0.046	0.255	-0.182	0.856	-0.552	0.459
	Sex	-0.462	0.255	-1.809	0.074	-0.969	0.045
	Type of appliance	0.803	0.254	3.162	0.002	0.299	1.308
Skeletal profile convexity (mm)	Constant	-1.058	0.893	-1.184	0.239	-2.832	0.717	0.10
	Age	-0.170	0.337	-0.505	0.615	-0.840	0.500
	Sex	0.553	0.338	1.635	0.105	-0.119	1.225
	Type of appliance	0.905	0.336	2.688	0.009	0.236	1.573
Basic upper lip thickness (mm)	Constant	1.185	0.843	1.406	0.163	-0.489	2.858	0.04
	Age	-0.100	0.318	-0.316	0.753	-0.732	0.531
	Sex	-0.581	0.319	-1.821	0.072	-1.214	0.053
	Type of appliance	0.050	0.317	0.156	0.876	-0.581	0.680
Upper lip strain (mm)	Constant	1.331	0.967	1.376	0.172	-0.591	3.252	0.07
	Age	0.113	0.365	0.310	0.757	-0.612	0.839
	Sex	-0.935	0.366	-2.553	0.012	-1.662	-0.207
	Type of appliance	-0.273	0.364	-0.748	0.456	-0.996	0.451
H-line angle (°)	Constant	-1.455	1.155	-1.259	0.211	-3.750	0.840	0.24
	Age	-0.093	0.436	-0.214	0.831	-0.960	0.773
	Sex	-0.684	0.437	-1.563	0.121	-1.553	0.185
	Type of appliance	2.256	0.435	5.183	<0.001	1.392	3.121
Lower lip to H-line (mm)	Constant	0.561	0.637	0.881	0.381	-0.704	1.826	0.09
	Age	0.301	0.240	1.254	0.213	-0.176	0.779
	Sex	-0.392	0.241	-1.626	0.107	-0.871	0.087
	Type of appliance	-0.553	0.240	-2.306	0.023	-1.030	-0.077
Inferior sulcus to H-line (mm)	Constant	-0.806	0.542	-1.487	0.141	-1.882	0.271	0.07
	Age	-0.040	0.205	-0.193	0.847	-0.446	0.367
	Sex	0.237	0.205	1.156	0.251	-0.170	0.645
	Type of appliance	0.490	0.204	2.399	0.019	0.084	0.895
Soft tissue chin thickness (mm)	Constant	0.013	1.111	0.012	0.991	-2.195	2.221	0.01
	Age	0.089	0.420	0.213	0.832	-0.744	0.923
	Sex	-0.301	0.421	-0.716	0.476	-1.137	0.534
	Type of appliance	0.242	0.419	0.578	0.564	-0.590	1.074

: regression coefficient; SE: standard error; CI: confidence interval; ; ; ; .