Instruments used in assessing quality of life in psoriasis and psoriatic arthritis
| Name | Abbreviation | Features |
|---|---|---|
| Medical Outcomes Study 36 Item Short Form 3640 | SF-36 | 36 items; eight scales for physical and mental health; used to compare quality of life of skin disease with other disease |
| Nottingham Health Profile40 | NHP | 38 items; six scales ranging from physical mobility to socialisation |
| Sickness Impact Profile41 | SIP | 136 items; 12 scales for physical and mental health, as well as sleep, eating, work, recreation, etc |
| 12 Item General Health Questionnaire42 | GHQ | 12 item questionnaire with higher correlation to PASI than others |
| Dermatology Life Quality Index43 | DLQI | Widely used; 12 reports, >2500 patients, of use in psoriasis; is internally consistent, correlates with other quality of life tools—for example PSORIQoL, PQoLI, PDI, etc |
| Psoriasis Disability Index44 | PDI | 15 questions for functional disability in psoriasis |
| Skindex-2942 | Skindex-29 | 29 items and scales derived from Skindex-61 |
| Impact of Psoriasis Questionnaire42 | IPSQ | Assesses psychosocial impact of psoriasis |
| Psoriasis Life Stress Inventory42 | PLSI | Stress inventory that correlates with DLQI and IPSQ |
| Dermatology Specific Quality of Life Instrument40 | DSQLI | 52 items, eight global items (physical symptoms to appearance and severity); seven scales |
| Dermatology Quality of Life Scales40 | DQLS | 41 items with three scales |
| Psoriatic Arthritis Specific Measure of Quality of Life45 | PsAQoL | Series of questions generated from interviews with subjects with psoriatic arthritis, narrowed from 51 to 20 with Rasch Analysis; validated and reliable |
| Psoriasis Specific Measure of Quality of Life46 | PSORIQoL | Series of questions generated from interviews with psoriatic subjects, narrowed from 61 to 25 using Rasch Analysis of each round of questioning |
| Psoriasis Quality of Life Questionnaire46 | PQoL | Fashioned after DQLI with specificity for psoriasis |
| Dermatology Utilities47 | DU | Quality of life instruments assess health status, DU are derived from decision theory and can be interpreted across diseases and populations |