Longitudinal study design for biomarkers of joint damage in psoriatic arthritis. Essential demographic data plus covariates.
| Psoriatic Arthritis |
|---|
| Age |
| Sex |
| Symptom duration (years) |
| Age at onset |
| Disease phenotype: Not considered or discussed at the 2008 meeting |
| Psoriasis phenotype: Type 1 or 2; plaque/guttate/pustular/erythrodermic/flexural |
| PsA comorbidity (cardiac/cholesterol/depression/other) |
| Medication history (NSAID, DMARD, anti-TNF) |
| HLA-B27 status |
| Baseline radiographic damage |
| Smoking |
| Menopause |
| Body mass index |
| Ethnicity |
| Occupation |
| Non-arthritis comorbidity |
| Non-arthritis-related treatment |
| Socioeconomic status |
| Alcohol consumption |
NSAID: nonsteroidal antiinflammatory drug; DMARD: disease modifying antirheumatic drug; TNF: tumor necrosis factor.