Pelvic Incidence: A Predictive Factor for Three-Dimensional Acetabular Orientation—A Preliminary Study

Table 2

Spearman correlation section: acetabular and pelvic morphology (dimensionless unit).

Parameter	Thickness dimensionless	Right beam dimensionless	Right Hilgenreiner angle (°)	Left beam dimensionless	Left Hilgenreiner angle (°)
Thickness	—	0.94	0.69	0.87	−0.56
	—	0.000006	0.01	0.00028	0.05
	—	S***	S**	S***	S*
Right beam	0.94^¤	—	0.54	0.83	−0.41
	0.000006^§	—	0.07	0.00095	0.19
	S^***&	—	NS	S***	NS
Right Hilgenreiner angle	0.69	0.54	—	0.50	−0.64
	0.01	0.07	—	0.1	0.03
	S**	NS	—	NS	S*
Left beam	0.87	0.83	0.50	—	−0.45
	0.00028	0.00095	0.10	—	0.14
	S***	S***	NS	—	NS
Left Hilgenreiner angle	−0.56	−0.41	−0.64	−0.45	—
	0.05	0.19	0.03	0.14	—
	S*	NS	S*	NS	—

¤Upper column: correlation coefficient; §middle column: 𝑃 value; ^&lower column: significant.
* 𝑃<0.05; **0.001<𝑃<0.01; ***𝑃<0.001; alpha = 5%.