Fig. 3From: Effects of anesthetic depth on perioperative T lymphocyte subsets in patients undergoing laparoscopic colorectal cancer surgery: a prospective, parallel-controlled randomized trialChanges in the CD4+/CD8 + ratio, CD3 + T cell and NK cell were not significantly different in the two groups (P = 0.910, P = 0.493 and P = 0.837, respectively)Back to article page