Table 4 Evaluation of the groups with different correction angle measurement techniques and intra- and inter-observer reliability

Group 1

PCA

10,9 ± 1,5

10,3–11,4

8,0 ± 1,0

7,7–8,4

0,000*

0,898–0,945

0,932–0,967

LFCA

1,4 ± 1,1

1,0–1,8

-1,1 ± 1,1

-1,5-(-0,7)

0,000*

0,936–0,987

0,971–0,991

Group 2

PCA

12,9 ± 1,5

12,4–13,3

9,8 ± 1,5

9,3–10,3

0,000*

0,941–0,974

0,946–0,982

LFCA

3,7 ± 1,1

3,3–4,0

1,3 ± 1,2

0,8–1,5

0,000*

0,912–0,953

0,962–0,988