Table 5.

Correlations of soft-tissue and hard-tissue changes

Variable	Maxillary advancement (mean 4.56 ± 1.34 mm)		Maxillary impaction (mean 2.03 ± 1.04 mm)
	Movement (%)	p-value	Movement (%)	p-value
Prn_y	24	0.133	13	0.410
Prn_z	31	0.029*	14	0.768
Sn_y	21	0.189	14	0.525
Sn_z	33	0.034*	1	0.318
Al_x	10	0.896	35	0.026*
Al_y	12	0.588	12	0.486
Al_z	25	0.145	43	0.003**
Ac_x	25	0.434	33	0.048*
Ac_y	22	0.692	5	0.803
Ac_z	25	0.131	40	0.003**
Nasal alar width	10	0.542	36	0.038*
Alar base width	20	0.075	32	0.063

Mean values for bilateral points (Al and Ac) are presented.

Pearson correlation analysis was performed.

Prn, Pronasale; Sn, subnasale; Al, alare; Ac, alare curvature; _x, transversal direction; _y, vertical direction; _z, anteroposterior direction.

^*p < 0.05, **p < 0.01.