Table 1 Description of study measures
Test | What it measures | Content | Scoring | Interpretation | MDC 90 |
|---|---|---|---|---|---|
Patient-Specific Functional Scale (PSFS) | Difficulty performing activities | 5 self-selected activities difficult to do because of the amputation | Likert scale 0–10 0 = unable to perform 10 = can perform activity easily | Higher scores indicates less difficulty | 6.49 |
Upper-Extremity Functional Scale (UEFS)- modified | Difficulty performing activities | Self-reported difficulty performing 22 everyday activities | Likert scale 1–5 1 =  very easy 5 =  cannot perform | Lower scores indicates less difficulty | 12.07 |
Clothespin relocation task | Dexterity | Number of clothespins moved in 1Â min | Count | Higher score indicates better dexterity | Unknown |
Clothespin relocation with counting backwards | Dexterity with cognitive load | Number of clothespins moved in 1Â min while counting backwards from 100 by 3Â s | Count | Reduction of # clothespins shows the impact of cognitive burden on performance | Unknown |
Clothespin relocation with semantic fluency | Dexterity with cognitive load | Number of clothespins moved in 1Â min while naming as many fruits and vegetables as possible | Count | Reduction of # clothespins shows the impact of cognitive burden on performance | Unknown |
Trinity Amputation and Prosthesis Experience Scales (TAPES) | Prosthetic satisfaction | 10 items satisfaction with prosthesis | Likert scale 1–5 1 = very dissatisfied 5 = very satisfied | Higher scores indicate greater satisfaction | 0.79 |
Jebsen-Taylor Hand Function Test (JTHF) | Dexterity | Â | Count of completed items/sec | Higher scores indicate better performance | Â |
Writing |  | Writing 24 letter sentence | “ | “ | 0.18 |
Page Turning |  | Turning over index card | “ | “ | 0.11 |
Small objects /sec |  | Picking up small objects | “ | “ | 0.09 |
Simulated Feeding |  | Using a spoon to pick up and place small objects in can | “ | “ | 0.10 |
Stacking checkers |  | Stacking checkers | “ | “ | 0.11 |
Moving light cans |  | Moving light cans | “ | “ | 0.15 |
Moving heavy cans |  | Moving heavy cans | “ | “ | 0.13 |
Activities Measure for Upper-Limb Amputees (AM-ULA) | 5 elements of performance: completion: speed, movement quality, skill and independence | 18-everyday tasks | Likert scale 0–5 0 = unable 5 = excellent | Higher scores indicate better performance | 3.7 |