Table 2.

The levels of some Th1 cytokines in peripheral blood of patients before and after immunotherapy (pg/mL)

Groups n	The level of the cytokines						P
	IL-2		TNF-β		IFN-γ
	Pre-therapy	Post-therapy	Pre-therapy	Post-therapy	Pre-therapy	Post-therapy
group I (65)	10.2 ± 3.7	9.5 ± 3.8	25.3 ± 7.4	24.9 ± 4.5	29.5 ± 6.9	27.7 ± 7.3	>0.25
group II (73)	13.5 ± 6.7	38.4 ± 6.2	18.0 ± 4.6	55.4 ± 10.1	27.4 ± 7.1	77.1 ± 18.2	< 0.01