Pendelluft in Chronic Obstructive Lung Disease Measured with Lung Sounds

Table 2

The means ± standard deviations of lead and lag.

	Controls	COPD	𝑃
Lead (ms)	48 ± 59	123 ± 107	<0.0001
Lag (ms)	147 ± 124	269 ± 249	<0.0001