Research Article

The Effect of Different Nutritional Nursing Support on the Nutritional Status and Disease Recovery of Elderly Patients with Gastrointestinal Tumors during the Perioperative Period

Figure 3

Immune function indexes (IgG, IgM, IGA, CD4, CD8, and CD4/CD8) of the two groups. Before the operation, the difference between the EEN group and the TPN group was , and the difference between the two groups at 7 days after operation was .