Influence of humanistic care-based operating room nursing on safety, recovery, and satisfaction after radical surgery for colorectal carcinoma

Figure 2 Comparison of physiological stress response indices at different surgical stages. A: Cortisol levels; B: Adrenal hormone levels; C: Norepinephrine levels. ^aP < 0.05 within the group before and after treatment. ^cP < 0.05 compared with the control group at the same surgical stage. AD: Adrenal hormone; Cor: Cortisol; NE: Norepinephrine.