Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The diagrams shows the relative weight of the factors retained in the logistic regression analysis as predictors of the SGRQ total scores for male and female COPD patients. SGRQ total = Saint George's Respiratory Questionaire total score. MMRC = Modified Medical Research Council scale. 6MWD = Six minute walking distance test. Charlson = Charlson index. IC/TLC = Inspiratory Capacity/Total Lung Capacity ratio. PaO2 = Arterial oxygen pressure.
