| Name of the Instrument/Tool | Psoriasis Symptom Inventory (PSI) |
| First Description |
Martin ML, McCarrier KP, Chiou CF et al. J Dermatolog Treat 2013;24:255-60 |
| Year | 2013 |
| Domains | |
| Concept of constructs | Disease activity |
| Population/Disease | Disease specific |
| Originally developed for | Plaque psoriasis |
| Other rheumatic diseases where can be applied (only if validated) |
Juvenile Idiopathic Arthritis (JIA), Psoriatic Arthritis (PsA) |
| Additional population with no rheumatic diseases |
No |
| Language: Originally published in | English |
| Available in Language | --- |
| REFERENCE IDENTIFICATION | |
| Author/s | Martin ML, McCarrier KP, Chiou CF et al. Early development and qualitative evidence of content validity for the Psoriasis Symptom Inventory (PSI), a patient-reported outcome measure of psoriasis symptom severity. J Dermatolog Treat 2013;24:255-60 Martin ML, McCarrier KP, Chiou CF et al |
| Title | Early development and qualitative evidence of content validity for the Psoriasis Symptom Inventory (PSI), a patient-reported outcome measure of psoriasis symptom severity |
| Journal | J Dermatolog Treat |
| Year | 2013 |
| Vol | 24 |
| Num | --- |
| Pages | 255-60 |
| Country | --- |
| Language | --- |
| Other references of interest | |
| Link | https://www.ncbi.nlm.nih.gov/pubmed/26206134 |
| Brief Description |
This study evaluates the measurement properties of the Psoriasis Symptom Inventory (PSI) in psoriatic arthritis (PsA). |
| Link | https://www.ncbi.nlm.nih.gov/pubmed/23092173 |
| Brief Description |
Validation of the PSI for assessing severity of plaque psoriasis symptoms. |
| Instrument/Tool Translations References | |
| No other References. | |
| DEVELOPER CONTACT INFORMATION | |
| Correspondence to | Mona L. Martin |
| martin@hrainc.net. | |
| Address | 6505 216th St. SW, Suite 105, Mountlake Terrace, WA 98043, USA |
| Website | --- |
| Available | --- |
| Links | --- |
| DESCRIPTION OF THE INSTRUMENT | |
| Type Of Measure | Questionnaire |
| Brief Description |
8-item PSI assessed the severity of the symptom concepts: itch, redness, scaling, burning, cracking, stinging, fiaking and pain. |
| Number of Items | 8 |
| Range | --- |
| Responses options/scale |
No |
| Developed for | Research |
| PRACTICAL APPLICATION | |
| Method of administration | Interviewer/assessor, Self-administered |
| Recommendations to score |
Each item was scored on a 5-point scale based on response. Individual scores were summed for a total score, which ranged from 0 to 32. Psoriasis symptom items were the same between daily and weekly versions |
| Score Interpretation | 0 = not at all severe, 1 = mild, 2 = moderate, 3 = severe, and 4 = very severe. |
| Cut-off points | --- |
| Cut-off points applied to | --- |
| Smallest detectable change if described | --- |
| Smallest detectable change applied to | --- |
| Completion time by the patient | - minutes |
| Scoring time by the assessor | - minutes |
| Training to score | Not necessary |
| Strengths | Easy to use, Useful in clinical practice & research |
| Limitations | Floor effect |
| OTHER COMMENTS | |
| Other Comments | --- |