Arterial properties in adults with long-lasting active juvenile idiopathic arthritis compared to healthy controls

Table 3 Correlations of JIA disease variables, traditional cardiovascular risk factors and arterial properties assessed by Z₀ Windkessel model

	R	P-value
JIA disease variables
CRP area under the curve^a	0.095	0.402
ESR area under the curve^a	0.238	0.037
Years on daily prednisolone	0.346	0.002
Years on daily NSAIDs	0.152	0.177
Years on daily metotrexat	0.094	0.403
Disease duration	−0.193	0.085
JADAS	−0.084	0.465
Number of active joints	0.035	0.758
Traditional cardiovascular risk factors
Age	−0.117	0.296
BMI	0.180	0.108
Waist circumference	0.213	0.060
Insulin resistance	0.273	0.015
Daily smoking	0.072	0.526
Vigorous physical activity (hours/ week)	−0.111	0.347
Moderate physical activity (hours/ week)	−0.189	0.118

Variables assessed at 29-year follow-up unless otherwise stated
^aCalculated from parameters assessed at 15-year and 29-year follow-up (CRP), disease onset, 15-year and 29-year follow-up (ESR)
JIA juvenile idiopathic arthritis, CRP C-reactive protein, ESR erythrocyte sedimentation rate, NSAIDs nonsteroidal anti-inflammatory drugs, JADAS Juvenile Arthritis Disease Activity Score, BMI body mass index

ISSN: 1546-0096