Impact of nutritional support on immunity, nutrition, inflammation, and outcomes in elderly gastric cancer patients after surgery

Table 2 Change trends of immune function indicators

Time point	Percentage of CD4+ lymphocytes in nutritional support group	Percentage of CD4+ lymphocytes in control group	CD4+/CD8+ ratio in nutritional support group	CD4+/CD8+ ratio in control group	Immunoglobulin G (g/L) in nutritional support group	Immunoglobulin G (g/L) in control group	Z value	P value
2 wk after surgery	35.2 ± 4.5	35.1 ± 4.7	1.2 ± 0.2	1.1 ± 0.1	10.5 ± 2.3	10.8 ± 2.1	2.37	< 0.05
4 wk after surgery	38.7 ± 4.2	37.8 ± 4.1	1.4 ± 0.3	1.3 ± 0.2	12.1 ± 2.5	11.5 ± 2.3	2.74	< 0.05
6 wk after surgery	39.8 ± 5.2	32.6 ± 4.2	1.5 ± 0.3	1.1 ± 0.2	15.2 ± 2.7	12.5 ± 2.4	3.14	< 0.05