[Retracted] Effect of Autoimmune Cell Therapy on Immune Cell Content in Patients with COPD: A Randomized Controlled Trial

Table 7

Contents of CD4+ cells in the peripheral blood serum of each group (%).

Project	Control group; ()	Treatment group; ()
Before treatment			0.081	0.936
30 days after treatment		^△	4.240	0.002
90 days after treatment		^△	4.478	0.001