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Table 1 Baseline clinical and demographic characteristics of psoriatic arthritis patients, psoriasis patients and healthy donors a

From: Th17 and Th22 cells in psoriatic arthritis and psoriasis

Patient characteristics Psoriatic arthritis (N= 11) Psoriasis (N= 12) Healthy donors (N= 15)
Age, mean ± SD (years) 52 ± 17 51 ± 19 43 ± 12
Sex, F/M 6/5 4/8 9/6
Duration of arthritis, mean ± SD (years) 11 ± 2 NA NA
Duration of psoriasis, mean ± SD (years) 18 ± 8 25 ± 12 NA
Current treatment Nil = 2 Nil = 1 Nil
Steroids = 1 Topical steroids = 4
Methotrexate = 4 PUVA = 4
Sulphasalazine = 2 Methotrexate = 1
Azathioprine = 1 Acitretin = 2
Etanercept = 1 Cyclosporine = 1
Adalimumab = 1
Infliximab = 1
PASI score, mean ± SD 12 ± 6 13 ± 7 0
Joint count, mean ± SD 5 ± 13 NA 0
  1. aNA, Not applicable; PASI, Psoriasis Area and Severity Index; PUVA, Psoralen and ultraviolet A light phototherapy.