Roche, N., M. Zureik, et al. (2008). "Predictors of outcomes in COPD exacerbation cases presenting to the emergency department." Eur Respir J 32(4): 953-61.
Wildman, M. J., C. Sanderson, et al. (2009). "Predicting mortality for patients with exacerbations of COPD and Asthma in the COPD and Asthma Outcome Study (CAOS)." QJM 102(6): 389-99.
Tabak, Y. P., X. Sun, et al. (2009). "Mortality and need for mechanical ventilation in acute exacerbations of chronic obstructive pulmonary disease: development and validation of a simple risk score." Arch Intern Med 169(17): 1595-602.
Shorr, A. F., X. Sun, et al. (2011). "Validation of a novel risk score for severity of illness in acute exacerbations of COPD." Chest 140(5): 1177-83.
Chang, C. L., G. D. Sullivan, et al. (2011). "Predicting early mortality in acute exacerbation of chronic obstructive pulmonary disease using the CURB65 score." Respirology 16(1): 146-51.
Edwards, L., K. Perrin, et al. (2011). "The value of the CRB65 score to predict mortality in exacerbations of COPD requiring hospital admission." Respirology 16(4): 625-9.
Steer, J., J. Gibson, et al. (2012). "The DECAF Score: predicting hospital mortality in exacerbations of chronic obstructive pulmonary disease." Thorax 67(11): 970-6.
Tabak YP, Sun X, et al. (2013). "Development and validation of a mortality risk-adjustment model for patients hospitalized for exacerbations of chronic obstructive pulmonary disease." Med Care. 51(7):597-605.
Lim, W. S., M. M. van der Eerden, et al. (2003). "Defining community acquired pneumonia severity on presentation to hospital: an international derivation and validation study." Thorax 58(5): 377-82.
Steer, J., G. J. Gibson, et al. (2010). "Predicting outcomes following hospitalization for acute exacerbations of COPD." QJM 103(11): 817-29.
Bustamante-Fermosel, A., J. M. De Miguel-Yanes, et al. (2007). "Mortality-related factors after hospitalization for acute exacerbation of chronic obstructive pulmonary disease: the burden of clinical features." Am J Emerg Med 25(5): 515-22.
Singanayagam, A., S. Schembri, et al. (2013). "Predictors of mortality in hospitalized adults with acute exacerbation of chronic obstructive pulmonary disease." Ann Am Thorac Soc 10(2): 81-9.
Almagro, P., F. J. Cabrera, et al. (2012). "Comorbidities and short-term prognosis in patients hospitalized for acute exacerbation of COPD: the EPOC en Servicios de medicina interna (ESMI) study." Chest 142(5): 1126-33.
Hurst, J. R., J. Vestbo, et al. (2010). "Susceptibility to exacerbation in chronic obstructive pulmonary disease." N Engl J Med 363(12): 1128-38.
Asiimwe, A. C., F. J. Brims, et al. (2011). "Routine laboratory tests can predict in-hospital mortality in acute exacerbations of COPD." Lung 189(3): 225-32.
Eisner, M. D., T. A. Omachi, et al. (2010). "Measurement of COPD severity using a survey-based score: validation in a clinically and physiologically characterized cohort." Chest 137(4): 846-51.