Lung Volume Reduction following Recurrent Pneumonia: An Unusual Finding in a COPD Patient

Table 1

Lung function tests over time.

Parameters	April 2007	March 2009	December 2010
Forced vital capacity (FVC), L (% of predicted)	1.52 (53)	2.78 (97)	2.79 (97)
Forced expiratory volume in 1 second (FEV1), L (% of predicted)	0.50 (21)	1.03 (44)	1.16 (50)
FEV1/FVC	0.33	0.34	0.42
Total lung capacity (TLC), L (% of predicted)	6.69 (152)		5.51 (116)
Residual volume (RV), L (% of predicted)	5.47 (313)		2.81 (151)
PO2 (mmHg)	63		77
PCO2 (mmHg)	52		34