Number needed to treat in COPD: exacerbations versus pneumonias

Long-term natural history of chronic obstructive pulmonary disease: severe exacerbations and mortality

(2012) Samy Suissa et al.   THORAX

Number needed to treat is incorrect without proper time-related considerations

(2011) Daniel Suissa et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Reported Pneumonia in Patients With COPD

(2010) Peter M.A. Calverley et al.   CHEST

Susceptibility to Exacerbation in Chronic Obstructive Pulmonary Disease

(2010) John R. Hurst et al.   NEW ENGLAND JOURNAL OF MEDICINE

Long-term Use of Inhaled Corticosteroids and the Risk of Pneumonia in Chronic Obstructive Pulmonary Disease

(2009) Sonal Singh et al.   ARCHIVES OF INTERNAL MEDICINE

Effect of Fluticasone Propionate/Salmeterol (250/50) on COPD Exacerbations and Impact on Patient Outcomes

(2009) Antonio Anzueto et al.   COPD-Journal of Chronic Obstructive Pulmonary Disease

Pneumonia risk in COPD patients receiving inhaled corticosteroids alone or in combination: TORCH study results

(2009) C. Crim et al.   EUROPEAN RESPIRATORY JOURNAL

Calculation of Number Needed to Treat

(2009) Samy Suissa   NEW ENGLAND JOURNAL OF MEDICINE

Temporal Clustering of Exacerbations in Chronic Obstructive Pulmonary Disease

(2008) John R. Hurst et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

Exaggeration of treatment benefits using the "event-based" number needed to treat

(2008) S. D. Aaron et al.   CANADIAN MEDICAL ASSOCIATION JOURNAL

The "number needed to treat" turns 20 -- and continues to be used and misused

(2008) F. A. McAlister   CANADIAN MEDICAL ASSOCIATION JOURNAL

Inhaled Corticosteroids in Patients With Stable Chronic Obstructive Pulmonary Disease

(2008) M. Bradley Drummond et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Effect of fluticasone propionate/salmeterol (250/50μg) or salmeterol (50μg) on COPD exacerbations

(2008) Gary T. Ferguson et al.   RESPIRATORY MEDICINE

The Prevention of Chronic Obstructive Pulmonary Disease Exacerbations by Salmeterol/Fluticasone Propionate or Tiotropium Bromide

(2007) Jadwiga A. Wedzicha et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE