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Table 2 Carotid quality arterial stiffness parameters in SLE patients (group A) and controls (group B)

From: Assessment of vascular stiffness using different modalities in patients with systemic lupus erythematosus: a case control study

VariableGroup A, median (range)Group B, median (range)zp
Carotid distension (μm)300 (86 to 640)528 (126 to 833)− 4.427< 0.001
Compliance coefficient (m2/kpa)0.75 (0.01 to 1.74)1.31 (0.03 to 2.75)− 4.805< 0.001
Distensibility coefficient (1/kpa)0.02 (0.01 to 0.06)0.03 (0.01 to 0.08)− 5.594< 0.001
PWV (m/s)7.7 (3.9 to 12)5.18 (3.8 to 6.8)− 6.981< 0.001
SI8.8 (3.1 to 19)5.05 (2.77 to 8.29)− 6.38< 0.001
AI (%)4.7 (− 1.6 to 36.0)0.52 (− 6.7 to 18)− 3.4780.001
  1. PWV pulse wave velocity, SI stiffness index, AI augmentation index