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Table 2 The number and frequency of ICF categories for the components Body Structure and Body Function that were linked to the LFIS-RA

From: Linking the effect of psoriatic arthritis-related foot involvement to the Leeds Foot Impact Scale using the International Classification for Functioning, Disability and Health: a study to assess content validity

ICF categories

LFIS-RA, n (%)

Body Structure

–

 s7502 Structure of ankle and foot

5 (100%)

Body Function

–

 b152 Emotional functions

11 (27%)

 b28015 Pain in lower limb

9 (22%)

 b770 Gait pattern functions

5 (12%)

 b760 Control of voluntary movement functions

3 (7%)

 b455 Exercise tolerance functions

3 (7%)

 b1801 Body image

2 (5%)

 b1644 Insight

2 (5%)

 b7353 Tone of muscles of lower half of body

1 (2.5%)

 b7800 Sensations of muscle stiffness

1 (2.5%)

 b134 Sleep functions

1 (2.5%)

 b2702 Sensitivity to pressure

1 (2.5%)

 b299 Sensory functions and pain, unspecified

1 (2.5%)

 b279 Additional sensory functions, other specified and unspecified

1 (2.5%)

  1. ICF international Classification of Functioning, Disability and Health, LFIS-RA Leeds Foot Impact Scale in rheumatoid arthritis, PsA Psoriatic arthritis