Criteria | Severity | Score | Cases |
---|---|---|---|
Pain | Without pain | 15 | 27 |
Mild pain with strenuous activity | 12 | 9 | |
Mild pain with activities of daily living | 8 | 0 | |
Pain with weight bearing | 4 | 0 | |
Pain at rest | 0 | 0 | |
Stability | No clinical instability | 15 | 36 |
Instability with sports activities | 5 | 0 | |
Instability with activities of daily living | 0 | 0 | |
Ability to walk | Able to walk desired distances without limp or pain | 15 | 30 |
Able to walk desired distances with slight pain | 8 | 6 | |
Moderate restriction in ability to walk, with mild pain | 6 | 0 | |
Able to walk short distances only | 3 | 0 | |
Unable to walk | 0 | 0 | |
Ability to run | Able to run desired distances without limp or pain | 10 | 12 |
Able to run desired distances with slight pain | 8 | 23 | |
Moderate restriction in ability to run, with mild pain | 6 | 1 | |
Able to run short distances only | 3 | 0 | |
Unable to run | 0 | 0 | |
Ability to work | Able to perform usual occupation without restrictions | 10 | 22 |
Able to perform usual occupation with restrictions in some strenuous activities | 8 | 13 | |
Able to perform usual occupation with substantial restrictions | 6 | 1 | |
Partially disabled, select jobs only | 3 | 0 | |
Unable to work | 0 | 0 | |
Motion of ankle | Within 10° of uninjured ankle | 10 | 25 |
Within 15° of uninjured ankle | 7 | 10 | |
Within 20° of uninjured ankle | 4 | 1 | |
< 50% of uninjured ankle | 0 | 0 | |
Radiographic result | Anatomic with intact mortise | 25 | 34 |
Mild reactive changes at joint margins | 15 | 2 | |
Measurable narrowing of superior joint space, with superior joint space > 2 mm | 10 | 0 | |
Moderate narrowing of superior joint space, with superior joint space 1 to 2 mm | 5 | 0 | |
Severe narrowing of superior joint space, with joint space < 1 mm, widening of medial clear space, or severe reactive changes (subchondral sclerosis and osteophyte formation) | 0 | 0 |