Table 1.

Characteristics of the study population from the cohort analysis at baseline. Values are mean ± SD or n (%). N = 1065.

CharacteristicsValues
Age, yrs53.7 ± 13.9
Female470 (44.1)
White943 (88.5)
BMI, kg/m228.2 ± 5.6
Age at PsO onset, yrs28.1 ± 14.5
Age at PsA onset, yrs37 ± 13.1
PASI5.8 ± 8.5
TJC, max 686.8 ± 8.2
SJC, max 663.4 ± 4.7
Patients with dactylitis271 (25.4)
Patients with enthesitis177 (16.6)
ESR, mm/first h18.2 ± 16.3
Use of systemic corticosteroids89 (8.4)
Cumulative corticosteroid dose*0.37 ± 2.83
Use of DMARD478 (44.9)
Use of biologic medications68 (6.4)
  • * Equivalent to prednisone in grams. BMI: body mass index; PsO: psoriasis; PsA: psoriatic arthritis; PASI: Psoriasis Area and Severity Index; TJC: tender joint count; SJC: swollen joint count; ESR: erythrocyte sedimentation rate; DMARD: disease-modifying antirheumatic drugs.