Progress in Orthodontics

Table 5 Descriptive statistic: skeletal measures

From: Comparison between rapid and mixed maxillary expansion through an assessment of dento-skeletal effects on posteroanterior cephalometry

	Initial					Change after treatment				Final
	RME group		MME group			RME group		MME group		RME group T0		MME
	T0		T0			T1-T0		T1-T0		T1		T1
Skeletal measure (mm)	Mean	SD	Mean	SD	pvalue	T1	pvalue	Mean	pvalue	Mean	SD	Mean	SD	pvalue
eu-eu	146.26	5.16	148.10	4.32	ns	0.72	ns	0.71	ns	146.98	5.22	148.81	4.13	ns
lo-lo	91.52	4.18	90.95	7.03	ns	1.53	ns	2.24	ns	93.05	4.33	93.19	6.86	ns
mo-mo	22.90	2.07	23.57	1.68	ns	0.74	ns	1.01	ns	23.64	1.91	24.58	1.79	ns
zyg-zyg	120.88	4.76	122.64	4.33	ns	2.50	ns	2.91	ns	123.38	4.84	125.55	5.51	ns
cdl-cdl	114.76	4.72	115.10	3.45	ns	1.81	ns	2.21	ns	116.57	4.55	117.31	3.62	ns
zmd-zmd	106.05	6.68	107.40	4.71	ns	1.71	ns	1.58	ns	107.76	6.40	108.98	4.76	ns
ln-ln	26.36	1.89	26.67	2.04	ns	2.85	***	2.97	***	29.21	1.61	29.64	2.64	ns
mmd-mmd	78.98	4.23	80.55	2.84	ns	2.16	ns	1.71	ns	81.14	3.75	82.26	2.77	ns
mx-mx	59.79	2.59	60.26	4.79	ns	6.07	***	6.57	***	65.86	3.12	66.83	5.76	ns
ma-ma	108.31	6.11	109.50	6.01	ns	1.31	ns	3.24	ns	109.62	5.03	112.74	7.51	ns
go-go	87.57	4.20	89.48	4.78	ns	1.45	ns	1.54	ns	89.02	4.65	91.02	4.65	ns
ag-ag	81.60	3.44	81.74	4.77	ns	1.90	ns	2.47	ns	83.50	3.23	84.21	5.04	ns

*p < 0.05; **p < 0.01; ***p < 0.001; ns, not significant.

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