Table 6.

Correlation analysis between parameters

		CSA	AGA	GIA	AT	Tol	VIF
CSA	r	1.000	0.939	−0.423	0.118	1.115	8.701
	P	-	< 0.001*	0.001*	0.357
AGA	r	0.939	1	−0.471	0.061	1.111	9.012
	P	< 0.001*	-	< 0.001*	0.636
GIA	r	−0.423	−0.471	1	0.164	0.740	1.351
	P	0.001*	< 0.001*	-	0.200
AT	r	0.118	0.061	0.164	1	0.922	1.084
	P	0.357	0.636	0.200	-

*: significant difference between groups (P < 0.05)

AT acromial tilt, CSA critical shoulder angle, AGA acromioglenoid angle, GIA glenoid inclination angle