Effects of High-Frequency Chest Wall Oscillation Expectoration System on Pulmonary Rehabilitation and Cortisol Function in Patients with Severe AECOPD

Table 4

Comparison of changes in serum inflammatory indexes between the two groups ().

Group	WBC (×10^9/L)		CRP (mg/L)		IL-6 (pg/mL)
	Before the treatment	After treatment	Before the treatment	After treatment	Before the treatment	After treatment
Group A ()
Group B ()
	-1.034	-4.623	-1.247	-7.332	-0.066	-3.126
	0.305	<0.001	0.217	<0.001	0.947	0.003

Note: vs. before treatment, ; WBC = white blood cell count; CRP = C-reactive protein; IL-6 = interleukin-6.