Table 2.

First and second measurements of cup version on cross-table lateral radiographs

Radiograph	Cup version (degrees)
	Observer 1		Observer 2
	First	Second	First	Second
1	14.1	15.1	13.7	13.8
2	38.5	38.8	38.9	39.3
3	26	25.9	27.6	28.5
4	17.7	18	20	19.8
5	4.8	4.9	4.7	4.4
6	6.4	6.6	7.7	7.4
7	32.5	31.6	37	35.8
8	33.9	34.3	37.8	36.9
9	41.1	41.4	38.4	38.7
10	34.6	34.8	45.9	45.3
11	29.7	31.2	36.1	35.3
12	28.9	28.7	33.1	33.5
13	10.4	11	12.6	12.2
14	0.2	0.4	0.3	0.4
15	7	7.3	7	6.9
16	25.9	26	28.3	28.3
17	13.5	13.2	15	15.4
18	15.1	15.6	17.3	17.8
19	16.9	16	19.1	18.3
20	6.2	6.2	7.6	7.5