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Table 1 Demographic and clinical characteristics of the study population

From: Minimal disease activity and impact of disease in psoriatic arthritis: a Spanish cross-sectional multicenter study

  Total
n = 227
MDA
n = 133
No MDA
n = 94
p
Male, n (%) 123 (54.2) 82 (61.7) 41 (43.6) <0.05
Age, mean (SD), years 53.2 (12.4) 53.5 (13.3) 52.8 (10.9) NS
Smoker, n (%) 41 (18.1) 19 (14.3) 22 (23.4) NS
Comorbidities, n (%)
 Dyslipemia 69 (30.4) 44 (33.1) 25 (26.6) NS
 HBP 62 (27.3) 35 (26.3) 27 (28.7) NS
 Obesity 48 (21.1) 32 (24.1) 16 (17.0) NS
 DM 23 (10.1) 15 (11.3) 8 (8.5) NS
PsA characteristics
 PsA clinical pattern, n (%)     NS
  Axial 8 (3.5) 3 (2.3) 5 (5.3)  
  Peripheral 189 (83.3) 113 (85.0) 76 (80.9)  
  Mixed 30 (13.2) 17 (12.8) 13 (13.8)  
 Familial history, n (%)
  Psoriasis 112 (49.3) 64 (48.1) 48 (51.1) NS
  PsA 28 (12.3) 10 (7.5) 18 (19.1) <0.05
  Ankylosing spondylitis 2 (0.9) 2 (1.5) 0 (0.0) NS
 PsA duration, mean (SD), years 9.6 (7.7) 9.80 (8.1) 9.38 (7.3) NS
 Skin symptoms duration, mean (SD), years 22.1 (14.7) 20.6 (14.3) 24.2 (15.1) NS
 Articular symptoms duration, mean (SD), years 12.1 (9.3) 11.8 (8.8) 12.7 (9.9) NS
PsA status at study visit
 Radiologic findings     
  Erosions in hands, n (%) 83 (36.6) 41 (30.8) 42 (44.7) <0.05
  Joint in hands with erosion, mean (SD) 4.3 (4.2) 4.9 (4.5) 3.7 (3.9) NS
  Erosions in feet, n (%) 67 (29.5) 38 (28.6) 29 (30.9) NS
  Joint in feet with erosion, mean (SD) 3.7 (3.4) 3.9 (3.3) 3.5 (3.7) NS
 PsAID, mean (SD) 4.9 (4.5) 3.3 (3.1) 7.1 (5.2)) <0.001
 PASI, mean (SD) 1.6 (3.8) 0.9 (1.6) 2.8 (5.7) <0.05
 BASDAI*, mean (SD) 2.8 (2.4) 2.0 (1.8) 3.6 (2.5) <0.001
 HAQ, mean (SD) 0.8 (0.6) 0.3 (0.5) 0.5 (0.6) <0.001
  1. BASDAI Bath Ankylosing Spondylitis Disease Activity Index, DM diabetes mellitus, HAQ Health Assessment Questionnaire, HBP high blood pressure, MDA minimal disease activity, NS not significant, PASI Psoriasis Area and Severity Index, PsA psoriatic arthritis, PsAID Psoriatic Arthritis Impact of Disease, SD standard deviation. *Performed only in subjects with axial disease