Table 2.
Relative preference value for item level scores within each HJHS item reported as percent mean, median, and standard deviation (SD) of total responses generated by the regression model
| HJHS item | Median (%) | Mean (%) | SD (%) |
|---|---|---|---|
| Swelling | |||
| Severe—very swollen, no bony landmarks are visible | 0 | 0 | 0 |
| Moderate—swollen, bony landmarks obscured to some degree | 2.7 | 4.5 | 3.4 |
| Mild—swelling looks slightly “puffy”; all bony landmarks are visible | 6.4 | 7.9 | 5.0 |
| No swelling | 11.2 | 12.1 | 6.1 |
| Duration of swelling | |||
| ≥6 months | 0 | 0 | 0 |
| No swelling or <6 months | 4.2 | 5.7 | 4.7 |
| Muscle atrophy | |||
| Severe—flattening of muscle belly is noted | 0 | 0 | 0 |
| Mild—mild flattening of muscle belly is noted | 3.6 | 4.8 | 3.3 |
| None | 7.7 | 8.0 | 4.2 |
| Crepitus of motion | |||
| Severe—audible and/or palpable grinding and crunching during joint motion | 0 | 0 | 0 |
| Mild—slightly audible and/or palpable grinding and crunching during joint motion | 4.6 | 6.6 | 5.4 |
| None | 10.0 | 10.9 | 6.7 |
| Strength | |||
| Trace or no muscle contraction | 0 | 0 | 0 |
| Able to partially complete range of motion against gravity | 3.5 | 4.7 | 3.5 |
| Holds test position with minimal resistance | 6.8 | 7.8 | 4.9 |
| Holds test position against gravity with moderate resistance | 9.7 | 10.3 | 5.8 |
| Holds test position against gravity with maximum resistance | 11.6 | 13.0 | 7.1 |
| Joint pain | |||
| Pain through active range | 0 | 0 | 0 |
| No pain through active range; pain only on gentle overpressure or palpation | 6.8 | 7.6 | 3.8 |
| No pain through active range of motion | 10.2 | 11.0 | 4.5 |
| Global gait (walking, stairs, running, hopping on 1 leg) | |||
| No skills are within normal limits | 0 | 0 | 0 |
| 3 skills are not within normal limits | 3.1 | 3.7 | 3.5 |
| 2 skills are not within normal limits | 6.5 | 7.0 | 4.6 |
| 1 skill is not within normal limits | 9.2 | 10.1 | 5.8 |
| All skills are within normal limits | 11.8 | 13.8 | 7.5 |
| Flexion loss (normal–contralateral side) | |||
| Loss of >20° | 0 | 0 | 0 |
| Loss of 11°‐20° | 3.3 | 4.0 | 2.9 |
| Loss of 5°‐10° | 7.4 | 8.2 | 5.0 |
| Loss of <5° | 10.9 | 11.5 | 6.0 |
| Extension loss (normal–contralateral side) | |||
| Loss of >20° | 0 | 0 | 0 |
| Loss of 11°‐20° | 4.5 | 5.3 | 4.3 |
| Loss of 5°‐10° | 8.7 | 10.0 | 6.4 |
| Loss of <5° | 11.4 | 13.9 | 7.6 |
Values indicate how favorable a level was relative to other levels within an item; a higher score indicates it is more favorable when identifying a healthy joint (N = 41).