Table 1.

The P value for various angles measured between the two readers.

Angles measured	Reader 1	Reader 2
	p value	p value
CE angle	0.3	0.4
Tonni's angle	0.9	0.6
AASA	0.7	0.8
PASA	0.2	0.8
Acetabular version	0.7	0.7