Criteria of Gay and Evrard

Subjective Criteria

Points

Pain

Absence of pain

3

Pain on uneven ground

2

Function pain limiting activity

1

Pain preventing any activity

0

Instability

Absence of instability

3

Instability on rough ground

2

Awkward and insecurity Instability

1

Instability requiring a stick

0

Objective Criteria

Mobility

Normal mobility

3

Mobility equal to or greater than 50% of normal

2

Mobility less than 50% of normal

1

Ankylosis or foot deflection

0

Edema and trophic disorders

Absence of edema

3

Mild or intermittent edema

2

Important edema to fatigue

1

Important and permanent edema

0

Professional activity

Identical activity or profession

3

Retained profession with adjustment of the position

2

Change of profession or activity

1

Impossible professional activity

0