Composite measures | CPDAI | Composite Psoriatic Disease Activity Index |
| PASDAS | Psoriatic Arthritis Disease Activity Score |
Joint assessment | 68/66 T/S | 68/66 tender/swollen joint count |
| ACR | American College of Rheumatology response criteria |
| DAS | Disease Activity Score |
| PsARC | Psoriatic Arthritis response criteria |
| PsAJAI | Psoriatic Arthritis Joint Activity Index |
| DAPSA | Disease Activity in Psoriatic Arthritis Score |
Axial assessment | BASDAI | Bath Ankylosing Spondylitis Disease Activity Index |
| BASFI | Bath Ankylosing Spondylitis Functional Index |
| BASMI | Bath Ankylosing Spondylitis Metrology Index |
Skin assessment | PASI | Psoriasis Activity and Severity Index |
| Target lesion | Target Lesion Score |
| PGA | Physician’s global assessment |
Nail assessment | mNAPSI | modified Nail Psoriasis Severity index |
Pain | VAS | Pain visual analog scale |
Patient global | VAS | Visual analog scale (global, skin + joints) |
Physician global | VAS | Visual analog scale (global, skin + joints) |
Function/QOL | HAQ | Health Assessment Questionnaire |
| SF-36 | Short-Form 36 |
| PsAQoL | Psoriatic Arthritis Quality of Life Index |
| DLQI | Dermatology Life Quality Index |
Fatigue | FACIT | Functional Assessment of Chronic Illness Therapy |
| KFSS | Krupp Fatigue Severity Inventory |
| MFI | Multidimensional Fatigue Inventory |
| VAS | Fatigue visual analog scale |
Enthesitis assessment | MEI | Mander Enthesitis Index |
| MASES | Maastricht Ankylosing Spondylitis Enthesitis Score |
| LEI | Leeds Enthesitis Index |
| Major | Major Enthesitis Index |
| SPARCC | Spondyloarthritis Research Consortium of Canada |
| | Enthesitis Index |
| 4-point | Used in IMPACT studies (bilateral Achilles tendons and plantar fascia) |
Dactylitis assessment | LDI | Leeds Dactylitis Instrument |
| Present/absent | Simple count of dactylitic digits |
Acute-phase reactant | ESR | Erythrocyte sedimentation rate |
| CRP | C-reactive protein |