[Retracted] Efficacy of Xiyanping in the Treatment of Elderly Patients with Chronic Obstructive Pulmonary Disease and Its Effect on the Expression of GDF-15 and HIF-1α in Serum

Table 6

Differences in airway hyperreactivity indicators between the two groups ().

Group		Airway resistance during exhalation (cm H2O/(L·s))		Airway resistance during inspiration (cm H2O/(L·s))		Lung compliance (mL/cm H2O)
		Before	After	Before	After	Before	After
Control group	43
Observation group	43
		0.130	2.064	0.271	3.087	0.436	4.393
		0.897	0.042	0.787	0.003	0.664	<0.001

Compared with before treatment, .