Clinical and experimental study on therapeutic effect of umbilical cord blood transplantation on severe viral hepatitis

Table 2 Parameters of cellular and humoral immune of patients before and after treatment (^-x±s)

Group	Active T lymphocyte (%)		CD4+ lymphocyte (%)		CD8+ lymphocyte (%)		IL2 (u·mL-1)
	Before	After	Before	After	Before	After	Before	After
Control	35.6 ± 7.5	44.1 ± 14.3	32.7 ± 5.3	35.6 ± 8.2	22.5 ± 3.6	23.7 ± 5.2	41.3 ± 10.5	48.6 ± 21.5
UCBT	33.2 ± 8.7	51.6 ± 12.5ab	30.5 ± 6.9	44.3 ± 11.6a	23.2 ± 4.7	25.6 ± 9.5	44.5 ± 9.6	62.7 ± 28.6ab
PE	36.1 ± 6.3	42.7 ± 16.9	29.5 ± 8.2	34.7 ± 7.4	20.4 ± 6.9	26.7 ± 8.4	48.6 ± 11.3	51.3 ± 31.9
UCBT+ PE	31.9 ± 8.5	58.9 ± 25.4ab	27.1 ± 7.3	48.5 ± 21.3ab	18.3 ± 8.5	28.4 ± 11.2	36.2 ± 10.8	64.8 ± 27.5ab

^aP < 0.05 vs before treatment,

^bP < 0.05 vs control group.