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. 2021 Jul 2;277(3):e689–e698. doi: 10.1097/SLA.0000000000005041

Figure 5.

Figure 5

Plasma levels of TNF-α and IL-6 before and after surgery in surgery patients and healthy controls. A, Plasma levels of TNF-α in surgery patients were higher than those in healthy controls at baseline and further increased on day 7 after cardiac surgery before returning to near baseline on day 30 after cardiac surgery. B, The changes in the levels of IL-6 were similar to those of TNF-α in surgery patients. Data are presented as mean ± SD (control, n = 18; patients, n = 17). **P < 0.01. Control indicates healthy controls; IL-6, interleukin-6; Post 7 d, day 7 follow-up after the operation; Post 30 d, day 30 follow-up after the operation; Pre, preoperation; TNF-α, tumor necrosis factor-α; SD, standard deviation.