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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