Pain and immune function in patients undergoing gastric cancer surgery following stellate ganglion block with total intravenous anesthesia

Table 2 Comparison of postoperative numerical rating scale scores between the two groups

Group	The 2 hours after surgery	The 12 hours after surgery	The 24 hours after surgery	The 48 hours after surgery
Observation group	2.48 ± 0.82	3.18 ± 1.04	2.82 ± 1.01	2.08 ± 0.68
Control group	2.53 ± 0.85	3.24 ± 1.05	2.90 ± 1.02	2.13 ± 0.71
t value	0.317	0.304	0.417	0.381
P value	0.752	0.762	0.677	0.704