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Table 4 Descriptive (mean ± standard deviation) and comparison between observers for bone SAs among female adolescent soccer players (n = 100)

From: Reproducibility and inter-observer agreement of Greulich-Pyle protocol to estimate skeletal age among female adolescent soccer players

 

Observer 1

(OB1)

Observer 2

(OB2)

Comparisons

Disagreement

n

magnitude discrepanciesa

d

(qualitative)

−3

−2

−1

+ 1

+ 2

+ 3

Radius

15.6 ± 1.2

15.6 ± 1.2

0.001

(trivial)

8

  

1

6

1

 

Ulna

16.1 ± 1.1

16.0 ± 1.1

0.090

(trivial)

6

   

5

1

 

Capitate

12.9 ± 0.3

12.9 ± 0.3

0.001

(trivial)

5

  

3

2

  

Hamate

12.8 ± 0.6

12.9 ± 0.5

0.180

(trivial)

10

3

1

3

2

 

1

Triquetral

12.8 ± 0.6

13.0 ± 0.2

0.450

(small)

11

 

6

3

2

  

Pisiform

         

Lunate

12.9 ± 0.4

12.9 ± 0.4

0.001

(trivial)

7

  

1

5

1

 

Scaphoid

12.9 ± 0.4

12.7 ± 0.6

0.390

(small)

20

  

2

14

4

 

Trapezium

12.8 ± 0.6

12.8 ± 0.6

0.001

(trivial)

18

1

2

1

7

7

 

Trapezoid

12.9 ± 0.4

12.9 ± 0.3

0.001

(trivial)

6

1

1

1

2

1

 

Adductor Sesamoid

         

Metacarpal I

14.9 ± 0.5

14.9 ± 0.4

0.001

(trivial)

2

 

1

1

   

Metacarpal II

14.7 ± 0.6

14.7 ± 0.6

0.001

(trivial)

7

 

7

    

Metacarpal III

14.7 ± 0.6

14.6 ± 0.6

0.168

(trivial)

8

   

8

  

Metacarpal IV

14.8 ± 0.5

14.6 ± 0.6

0.364

(small)

13

   

12

1

 

Metacarpal V

14.7 ± 0.5

14.6 ± 0.7

0.165

(trivial)

13

   

12

1

 

Proximal phalange I

14.4 ± 0.6

14.4 ± 0.7

0.001

(trivial)

9

  

5

4

  

Proximal phalange II

14.8 ± 0.5

14.8 ± 0.6

0.001

(trivial)

4

   

4

  

Proximal phalange III

14.8 ± 0.5

14.7 ± 0.7

0.165

(trivial)

9

   

9

  

Proximal phalange IV

14.8 ± 0.5

14.7 ± 0.7

0.165

(trivial)

9

   

9

  

Proximal phalange V

14.7 ± 0.6

14.7 ± 0.6

0.001

(trivial)

11

  

7

4

  

Medial phalange II

14.9 ± 0.4

14.8 ± 0.6

0.197

(trivial)

8

   

7

1

 

Medial phalange III

14.9 ± 0.5

14.8 ± 0.6

0.182

(trivial)

10

   

9

1

 

Medial phalange IV

14.9 ± 0.5

14.8 ± 0.5

0.201

(small)

6

  

1

4

1

 

Medial phalange V

14.8 ± 0.5

14.8 ± 0.5

0.001

(trivial)

10

  

6

4

  

Distal phalange I

14.3 ± 0.6

14.3 ± 0.5

0.001

(trivial)

5

  

3

2

  

Distal phalange II

14.3 ± 0.6

14.3 ± 0.5

0.001

(trivial)

6

 

1

3

2

  

Distal phalange III

14.3 ± 0.6

14.3 ± 0.5

0.001

(trivial)

5

 

1

2

2

  

Distal phalange IV

14.3 ± 0.6

14.3 ± 0.5

0.001

(trivial)

5

  

3

2

  

Distal phalange V

14.3 ± 0.5

14.3 ± 0.5

0.001

(trivial)

3

  

1

2

  

Diagreement. n

    

234

5

20

47

141

20

1

%

     

2.1%

8.5%

20.1%

60.2%

8.6%

0.4%

  1. asigns refer to OB1 minus OB2 and numbers corresponds to plates from the collection of photographs representing the sequence of skeletal maturation in atlas