[Retracted] Effect of Yifei-Huoxue Decoction Combined with Tiotropium on Inflammatory Cytokine Levels, Pulmonary Function, and Quality of Life in Patients with Chronic Obstructive Pulmonary Disease

Table 4

Patients’ ESR levels (mm/h).

Group	n	Before treatment	After treatment
Reference group	49	78.83 ± 7.25	60.17 ± 6.79
Study group	49	78.49 ± 7.17	37.65 ± 6.92
t		0.233	16.267
P		0.816	<0.001