COPD treated in the Department of Respiratory at Bach Mai Hospital, years 2001-2002

ABSTRACT

Retrospective description on 438 COPD patients showed that the disease occurs in male than in female subjects (male/female = 3.7 times), commonly in the year > 55 (85.3%). 153/210 patients (72.9%) have an obstructive ventilation disturbance. 142/210 patients (68.5%) have both Tiffeneau index and VC index decreasing and the Tiffeneau index decreased more dramatically than Gaensler index