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Table 1 Comparison of demographic and clinical characteristics of the patients with psoriatic arthritis and controls

From: The impact of the presence of fibromyalgia on fatigue in patients with psoriatic arthritis: comparison with controls

 Patients (n = 50)Controls (n = 40)p
CharacteristicsMedian (minimum-maximum)Median (minimum-maximum)
Age47 (23–64)45 (25–67)0.480
Years of education (years)5 (0–16)11 (0–15)0.057
MAF score (0–50)17.6 (1–43.5)1 (1–42.9)0.001*
Psoriasis duration (years)16 (1–50)
Arthritis duration (years)6.5 (1–30)
ESR (mm/h)13 (2–97)
CRP (mg/l)0.7 (0.1–18.2)
DAS-282.9 (1.2–5.2)
VAS pain score (0–10)4.5 (0–9)
LEI score (0–6)0 (0–3)
 n (%)n (%) 
Presence of FM17 (34)4 (11.8)0.023*
Gender
 female36 (72)21 (61.8)0.350
 male14 (28)13 (38.2)
Smoking15 (30)7 (20.6)0.450
Occupation
 housewife28 (56)10 (29.4)0.024*
 office worker11 (22)19 (55.9)
 retired11 (22)5 (14.7)
Medication use
 Biological agents50 (100)
 DMARDs39 (78)
 Corticosteroid8 (16)
 NSAIDs13 (26)
  1. MAF Multidimensional Assessment of Fatigue, ESR Erythrocyte Sedimentation Rate, CRP C-Reactive Protein, DAS-28 Disease activity score-28, BASDAI Bath Ankylosing Spondylitis Disease Activity Index, VAS visual analogue scale, LEI Leeds Enthesitis Index, FM Fibromyalgia, DMARDs Disease-modifying anti-rheumatic drugs, NSAIDs non-steroidal anti-inflammatory drugs
  2. *p<0.05