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

Table 3 Comparison of immunological indices between the two groups

Group	CD3+		CD4+		CD8+		CD4+/CD8+
	The 1 day before surgery	After surgery	The 1 day before surgery	After surgery	The 1 day before surgery	After surgery	The 1 day before surgery	After surgery
Observation group	52.43 ± 4.18	51.80 ± 4.20	36.10 ± 6.25	35.92 ± 6.20	24.10 ± 2.18	24.84 ± 2.36	1.50 ± 0.28	1.48 ± 0.26
Control group	51.80 ± 4.20	46.02 ± 3.96a	35.89 ± 6.36	30.13 ± 6.18a	23.86 ± 2.20	27.86 ± 2.41a	1.51 ± 0.30	1.08 ± 0.21a
t value	0.796	7.493	0.176	4.950	0.580	6.700	0.182	8.956
P value	0.428	< 0.001	0.860	< 0.001	0.563	< 0.001	0.856	< 0.001

^aP < 0.001, indicate significant differences between the two groups at the corresponding time point.