Immune function, gastrointestinal hormone levels, and their clinical significance in patients with gastric ulcers complicated with depression

Table 2 Comparison of immune function indicators between the two groups (mean ± SD)

Index	Heavy group (n = 90)	Mild to moderate group (n = 210)	T value	P value
IgA (g/L)	1.86 ± 0.42	2.54 ± 0.63	-10.791	< 0.001
IgM (g/L)	2.97 ± 0.62	3.59 ± 0.65	-7.698	< 0.001
IgG (g/L)	15.37 ± 3.48	15.42 ± 3.52	-0.113	0.910
CD4+ (%)	32.16 ± 5.31	38.48 ± 5.49	-9.218	< 0.001
CD8+ (%)	29.37 ± 3.52	23.59 ± 3.13	6.800	< 0.001
CD4+/CD8+ ratio	1.24 ± 0.27	1.67 ± 0.36	-11.104	< 0.001

IgA: Immunoglobulin A; IgM: Immunoglobulin M; IgG: Immunoglobulin G.