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Table 2 Severity of hallux valgus deformity and VAS scores for the three observers

From: A geometric analysis of hallux valgus: correlation with clinical assessment of severity

Data Mean (SD), mm Pearson's
r coefficient
p value
VAS scores    
   Observer 1 32.0 (19.0)   
   Observer 2 37.5 (19.9)   
   Observer 3 36.8 (20.9)   
s-VAS* 35.4 (20.0)   
Agreement    
   Observer 1 vs 2   0.873 < 0.001
   Observer 1 vs 3   0.856 < 0.001
   Observer 2 vs 3   0.876 < 0.01
s-VAS*    
Intersection point site    
   Inside the foot 52.8 (14.7)   < 0.001
   Outside the foot 25.3 (14.3)   
  1. VAS: Visual analogue scale
  2. * Summary final VAS score obtained by factor analysis.
  3. Pair comparisons of s-VAS: inside vs outside the foot.