Table 1

Demographics, clinical characteristics and cardiovascular risk factors for patients with psoriatic arthritis (PsA) and control subjects

PsA (n=338)Controls (n=50 468)p Valuep Value adjusted for age and gender
Female, n (%)194 (57.4)27 564 (54.6)0.31
Age, years, mean (SD)54.3 (11.9)53.9 (16.1)0.58
Duration of disease, years, mean (SD)9.3 (7.6)
Ever use of methotrexate, n (%)168 (49.7)
Ever use of TNF-inhibitor, n (%)63 (18.6)
Married, n (%)210 (62.1)29 526 (58.5)0.21
Current daily smokers, n (%)76 (21.3)8270 (16.4)0.02
Currently employed, n (%)202 (59.8)32 235 (63.9)0.01
High physical activity, n (%)*175 (51.8)28 932 (57.3)0.03
BMI, kg/m2, mean (SD)28.4 (4.6)27.2 (4.4)<0.001
Body weight, kg, mean (SD)83.0 (16.2)79.2 (15.2)<0.001
Obesity BMI ≥30, n (%)108 (32)11 307 (22.4)<0.001
Waist circumference, cm, mean (SD)96.9 (12.6)93.5 (12.3)<0.001
Blood pressure, mm Hg, mean (SD)131.0 (20.0)130.6 (18.7)0.76
Diastolic blood pressure, mm Hg, mean (SD)74.7 (11.8)73.4 (11.3)0.02
Hypertension, n (%)†153 (45.3)19 842 (39.3)0.01
Antihypertensive medication, n (%)86 (25.4)10 522 (20.8)<0.001
CRP, mg/L median (IQR)2.1 (4.2)1.2 (2.1)<0.001
TC level, mmol/L, mean (SD)5.54 (1.02)5.49 (1.11)0.53
HDL-c level, mmol/L, mean (SD)1.31 (0.35)1.35 (0.35)0.11
LDL-c level, mmol/L, mean (SD)3.45 (0.94)3.42 (0.98)0.65
TG level, mmol/L, mean (SD)1.77 (0.94)1.63 (1.01)0.01
Diabetes mellitus, n (%)18 (5.3)2171 (4.3)0.16
  • *Physical activity more than two times per week.

  • †Defined as systolic blood pressure ≥140 mm Hg and/or diastolic blood pressure ≥90 mm Hg or ever use of antihypertensive medication.

  • BMI, body mass index; CRP, C reactive protein; HDL-c, high-density lipoprotein cholesterol; LDL, low-density lipoprotein cholesterol; TC, total cholesterol; TG, triglycerides; TNF, tumour necrosis factor.