Shoulder Pain and Disability Index (SPADI)
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The Shoulder Pain and Disability Index (SPADI) is a patient completed questionnaire with 13 items assessing pain level and extent of difficulty with ADLs requiring the use of the upper extremities. The pain subscale has 5-items and the Disability subscale has 8-items.
SPADI has been translated in many languages including Spanish, Greek, Dutch, Hindi, Thai and Italian each with its own validity and reliability.
SPADI can be used in the following patient population:
- Shoulder pain
- Rotator cuff disease
- Rheumatoid arthritis
- Adhesive Capsulitis
- Shoulder arthroplasty
Method of Use
The patient is instructed to choose the number that best describes their level of pain and extent of difficulty using the involved shoulder. The pain scale is summed up to a total of 50 while the disability scale sums up to 80. The total SPADI score is expressed as a percentage.
A score of 0 indicates best 100 indicates worst. A higher score shows more disability.
In scoring SPADI, any question missed should be taken out of the total score of each subscale. i.e if 1 question is omitted in the pain section, the total score is divided by 40.
The SPADI demonstrates good construct validity, correlating well with other region-specific shoulder questionnaires. It has been shown to be responsive to change over time, in a variety of patient populations and is able to discriminate adequately between patients with improving and deteriorating conditions.
The minimal clinically important difference has been reported to be 8 points; this represents the smallest detectable change that is important to the patient. However, when SPADI is used repeatedly on the same subject the minimal detectable change is 18 points.
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