Influence of maxillary advancement surgery on skeletal and soft-tissue changes in the nose — a retrospective cone-beam computed tomography study

Table 3 Measurement error represented by correlation between the first measurement and follow-up measurement of nasal soft-tissue changes (Alb, Al, Sn–Ls–Co) and maxillary advancement (M–A); intraoperator correlation

		r	P
Nasal soft-tissue changes before treatment	Alb	0.9987	<0.000005***
	Al	0.9980	<0.000005***
	Sn–Ls–Co	0.9766_Sp	<0.000005***
Nasal soft-tissue changes after treatment	Alb	0.9978	<0.000005***
	Al	0.9976	<0.000005***
	Sn–Ls–Co	0.9729_Sp	<0.000005***
Maxillary advancement	M–A	0.9566	<0.000005***

r and P from the product–moment correlation or from Spearman rank correlation (Sp) (n = 33) for alar base, alar width, and nasolabial angle
***p< 0.001

ISSN: 1746-160X