Table 1.
Demographic findings of the study population
| Variables | Patients |
|---|---|
| Age range (mean±SD), years | 19–70 (33.8±11.2) |
| Sex | |
| Female | 31 (62%) |
| Male | 19 (38%) |
| Disease duration range (mean±SD), years | 2–12 (7.7+3.4) |
| PASI score range (mean±SD), % | 2.7–33.2 (21.1+7.3) |
| BMI range (mean±SD) | 19.5–42 (29.9+6.4) |
| ESR | |
| Elevated (>20 mm/h) | 6 (12%) |
| Normal | 44 (88%) |
| CRP | |
| Positive (>6 mg/L) | 9 (18%) |
| Negative | 41 (82%) |
| Rheumatoid factor | |
| Positive (>1/8) | 4 (8%) |
| Negative | 46 (92%) |
| SUA | |
| Normal (<6 mg/dL) | 38 (76%) |
| Elevated | 12 (24%) |
| Radiographic sacroiliitis | 6 (12%) |
| Heel X-ray | |
| Normal | 41 (82%) |
| Abnormal (calcified Achilles tendon or calcaneal spur) | 9 (18%) |
| Ultrasonographic findings (%) | |
| Normal | 32 (64%) |
| Abnormal (enthesitis) | 18 (36%) |
PASI: Psoriasis Area and Severity Index; BMI: Body Mass Index; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; SUA: serum uric acid