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Table 1 Baseline demographics of patients diagnosed with PsA and non-PsA controls

From: Longitudinal analysis of the patient pathways to diagnosis of psoriatic arthritis

Characteristic Patients with PsA (N = 13,661) Non-PsA controlsa (N = 26,729)
Age, mean (SD), years 55.8 (12.6) 55.9 (12.7)
Female, % 60.2 60.4
Insurance type, %
 Commercial 78.6 78.6
 Medicaid 15.1 15.3
 Medicare 6.3 6.1
US geographical region, %
 Midwest 21.7 30.0
 Northeast 15.2 48.7
 South 43.6 11.9
 West 12.9 3.2
 Unknown 6.6 6.2
  1. PsA Psoriatic arthritis
  2. aControls were matched 2:1 to patients with PsA for age, sex, insurance, and enrolment duration