Effects of general anesthesia plus ropivacaine transversus abdominis plane block on analgesia and organ protection in colorectal cancer surgery

Figure 1 Comparison of postoperative recovery indices. A: Time to first flatus; B: Time to resumption of regular diet; C: Time to first defecation; D: Hospital stay. ^dP < 0.0001.

Figure 2 Comparison of visual analog scale scores between the two groups. A: 6 hours; B: 24 hours; C: 48 hours. ^dP < 0.0001. VAS: Visual analog scale.

Figure 3 Comparison of pre- and post-operative inflammatory and stress indices. A: Interleukin-6; B: White blood cell; C: Lactate. ^dP < 0.0001. NS: Not significant; IL-6: Interleukin-6; WBC: White blood cell.

Figure 4 Comparison of pre- and post-operative liver and kidney function indices. A: Alanine aminotransferase; B: Aspartate aminotransferase; C: Serum creatinine; D: Blood urea nitrogen. ^aP < 0.05; ^bP < 0.01; ^dP < 0.0001. NS: Not significant; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; Cr: Creatinine; BUN: Blood urea nitrogen.