CXCL8 and hypertensive disorder: Similarly, there were no differences in the median (IQR) levels of cytokines between patients with and without hypertension in the control group [IL‐8: 2.00 pg/ml (1.46–2.65) and 2.60 pg/ml (1.68–3.74), p = 0.385, respectively; IL‐6: 1.9 pg/ml (1.5–2.6) and 1.4 pg/ml (1.1–1.7), p = 0.064, respectively; TNF‐α: 3.03 pg/ml (2.29–3.33) and 3.33 pg/ml (2.73–3.94), p = 0.249, respectively].