Pulmonary Medicine / 2012 / Article / Tab 3

Research Article

Pendelluft in Chronic Obstructive Lung Disease Measured with Lung Sounds

Table 3

The means ± standard deviations of lead and lag expressed as a percent of the duration of inspiration at the trachea.

ControlsCOPD

Lead (%)4 ± 514 ± 13<0.0001
Lag (%)13 ± 1228 ± 25<0.0001