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Table 3 Quantile (median) regression model estimating median SF-36 Physical Component Summary scores, 2012 (n = 108)

From: Predictors of quality of life among adolescents and young adults with a bleeding disorder

Characteristic

Coefficient (95% CI)

p-value

Gender

 

0.02

 Female

−13.1 (−23.8, −2.4)

 

 Male

reference

 

Inhibitor development

 

<0.01

 Ever

−13.1 (−21.5, −4.7)

 

 Never

reference

 

Chronic paina

 

<0.001

 Moderate to severe

−25.5 (−33.8, −17.2)

 

 None to mild

reference

 
  1. aChronic pain was measured using the revised Faces Pain Scale (FPS-R) and was dichotomized as FPS-R <4 (i.e., ‘mild’ or ‘no pain) and FPS-R ≥4 (i.e., ‘moderate’ to ‘worst pain possible’)