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Table 1 LLR measurements (degrees)

From: Arithmetic hip knee angle measurement on long leg radiograph versus computed tomography—inter-observer and intra-observer reliability

 

MPTA

LDFA

aHKA

 

Max difference

Mean difference

SD

COR

Max difference

Mean difference

SD

COR

Max difference

Mean difference

SD

COR

Observer 1

7.0

1.1

1.19

3.48

5

0.79

0.93

2.65

5.9

1.47

1.2

3.87

Observer 2

8.3

1.2

1.44

4.08

6.9

1.1

1.11

3.32

14.6

1.63

2.2

6.03

Observer 3

4.6

1.06

1.01

3.08

5.1

0.93

0.94

2.81

9.1

1.49

1.62

4.73

Mean intraobserver

   

3.50

   

2.93

   

2.88

Interobserver

6

0.94

0.9

2.74

3.5

0.81

0.75

2.31

6.2

1.34

1.11

3.56

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Arthroplasty

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