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Table 4 Correlation of IMT with clinical and laboratory characteristics

From: Methotrexate use, not interleukin 33, is associated with lower carotid intima-media thickness in patients with rheumatoid arthritis

Variable Coefficienta p-value
Age (years) 0.613 < 0.001
Disease length (years) 0.224 0.024
Age at onset of symptoms (years) 0.334 0.001
Time since onset of symptoms to 1st rheumatology visit (years) 0.204 0.040
Fasting glucose (mg/dL) 0.263 0.008
SAP (mmHg) 0.282 0.004
Global Cardiovascular Risk Score 0.591 < 0.001
Current prednisone daily dose −0.205 0.039
IL-33 (pg/mL)b −0.77 0.439
IL-33 (pg/mL)c −0.035 0.775
sST2 (pg/mL)d 0.002 0.981
IL-33/sST2** − 0.071 0.566
  1. aSpearman’s correlation coefficient
  2. IMT intima-media thickness, IQR interquartile range, SD standard deviation, CRP C-reactive protein; and SAP systemic arterial pressure
  3. blevels below the limit of detection were considered as zero
  4. conly considering the 68 participants with levels above the limit of detection
  5. ddata from the 101 participants with detectable levels
  6. eIL-33-to-sST2 ratio