Table 2.
Criteria for clinical assessment.
| Clinical Parameter | Points | Excellent | Good | Fair | Poor |
|---|---|---|---|---|---|
| Subjective | |||||
| Pain | 5 | 4 | 2 | 0 | |
| None | 6 | ||||
| Occasional pain, needs no medication | 5 | ||||
| Stabbing pain | 4 | ||||
| Intense, activity-related | 2 | ||||
| Night pain, at rest | 0 | ||||
| Walking capacity | 6 | 4 | 2 | 1 | |
| Normal | 6 | ||||
| Outdoors >1 h | 4 | ||||
| Outdoors >15 min | 2 | ||||
| Indoors only | 1 | ||||
| Wheelchair/bedridden | 0 | ||||
| Objective | |||||
| Extension | 6 | 4 | 2 | 2 | |
| Normal | 6 | ||||
| <10° loss | 4 | ||||
| >10° loss | 2 | ||||
| Total range of motion | 5 | 4 | 2 | 1 | |
| >140° | 6 | ||||
| >120° | 5 | ||||
| >90° | 4 | ||||
| >60° | 2 | ||||
| >30° | 1 | ||||
| 0° | 0 | ||||
| Stability | 5 | 4 | 2 | 2 | |
| Normal | 6 | ||||
| Abnormal in 20° flexion | 5 | ||||
| Instability in extension <10° | 4 | ||||
| Instability in extension >10° | 2 | ||||
| Total (minimum) | 30–27 | 26–20 | 19–10 | 9–6 | |