1. Mortality rate according to our integrated index that combines DH and exercise capacity.
Mortality rate according to our integrated index that combines DH and exercise capacity. The Kaplan-Meier survival curve for all-cause mortality related to our integrated index is shown. Using the log rank P value to compare these curves, the cumulative survival rate was significantly lower in the COPD patients whose change in the ratio of inspiratory capacity to total lung capacity (ΔIC/TLC) was > 4 and whose 6-min walk distance (6MWD) was ≤ m, compared to the other COPD patients.
Eylem Sercan Özgür et al. Respir Care 2012;57:
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