References
- VestboJHurdSSAgustíAGGlobal strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GOLD executive summaryAm J Respir Crit Care Med2013187434736522878278
- PunekarYSShuklaAMullerovaHCOPD management costs according to the frequency of COPD exacerbations in UK primary careInt J Chron Obstruct Pulmon Dis20149657324426781
- CroxtonTLWeinmannGGSeniorRMWiseRACrapoJDBuistASClinical research in chronic obstructive pulmonary disease: needs and opportunitiesAm J Respir Crit Care Med200316781142114912684252
- CelliBCrossSGrossmanRImproving the care of COPD patients – suggested action points by the COPD exacerbations taskforce for reducing the burden of exacerbations of COPDPrim Care Respir J200615313914216757393
- DecramerMJanssensWMiravitllesMChronic obstructive pulmonary diseaseLancet201237998231341135122314182
- LangePMarottJLVestboJPrediction of the clinical course of chronic obstructive pulmonary disease, using the new GOLD classification: a study of the general populationAm J Respir Crit Care Med20121861097598122997207
- Global Initiative for Chronic Obstructive Lung Disease (GOLD)Global Strategy for the Diagnosis, Management and Prevention of COPD, 20152015 Available from: http://www.goldcopd.org/Accessed July 7, 2015
- HanMKMuellerovaHCurran-EverettDGOLD 2011 disease severity classification in COPDGene: a prospective cohort studyLancet Respir Med201311435024321803
- MotegiTJonesRCIshiiTA comparison of three multidimensional indices of COPD severity as predictors of future exacerbationsInt J Chron Obstruct Pulmon Dis2013825927123754870
- FaganelloMMTanniSESanchezFFPelegrinoNRLuchetaPAGodoyIBODE index and GOLD staging as predictors of 1-year exacerbation risk in chronic obstructive pulmonary diseaseAm J Med Sci20103391101419926966
- JonesRCDonaldsonGCChavannesNHDerivation and validation of a composite index of severity in chronic obstructive pulmonary disease: the DOSE IndexAm J Respir Crit Care Med2009180121189119519797160
- JonesRPriceDChavannesNA comparison of multi-component indices of COPD severity in primary care: an UNLOCK study from the IPCRGEur Respir J201342suppl 572006
- Garcia-AymerichJMonsóEMarradesRMEFRAM InvestigatorsRisk factors for hospitalization for a chronic obstructive pulmonary disease exacerbation. EFRAM studyAm J Respir Crit Care Med200116461002100711587986
- ForemanMGDeMeoDLHershCPReillyJJSilvermanEKClinical determinants of exacerbations in severe, early-onset COPDEur Respir J20073061124113017715170
- BahadoriKFitzGeraldJMLevyRDFeraTSwistonJRisk factors and outcomes associated with chronic obstructive pulmonary disease exacerbations requiring hospitalizationCan Respir J2009164e43e4919707601
- BertensLCReitsmaJBMoonsKGDevelopment and validation of a model to predict the risk of exacerbations in chronic obstructive pulmonary diseaseInt J Chron Obstruct Pulmon Dis2013849349924143086
- FanVSRamseySDMakeBJMartinezFJPhysiologic variables and functional status independently predict COPD hospitalizations and emergency department visits in patients with severe COPDCOPD200741293917364675
- NiewoehnerDELokhnyginaYRiceKRisk indexes for exacerbations and hospitalizations due to COPDChest20071311202817218552
- AustinPCStanbrookMBAndersonGMNewmanAGershonASComparative ability of comorbidity classification methods for administrative data to predict outcomes in patients with chronic obstructive pulmonary diseaseAnn Epidemiol2012221288188723121992
- RoweBHVilla-RoelCGuttmanAPredictors of hospital admission for chronic obstructive pulmonary disease exacerbations in Canadian emergency departmentsAcad Emerg Med200916431632419298621
- StiellIGClementCMAaronSDClinical characteristics associated with adverse events in patients with exacerbation of chronic obstructive pulmonary disease: a prospective cohort studyCMAJ20141866E193E20424549125
- LiuDPengSHZhangJBaiSHLiuHXQuJMPrediction of short term re-exacerbation in patients with acute exacerbation of chronic obstructive pulmonary diseaseInt J Chron Obstruct Pulmon Dis2015101265127326170655
- Optimum Patient Care Research Database (OPCRD) Available from: http://optimumpatientcare.org/Accessed July 7, 2015
- BestallJCPaulEAGarrodRGarnhamRJonesPWWedzichaJAUsefulness of the Medical Research Council (MRC) dyspnoea scale as a measure of disability in patients with chronic obstructive pulmonary diseaseThorax199954758158610377201
- JonesPWHardingGBerryPWiklundIChenWHKline LeidyNDevelopment and first validation of the COPD Assessment TestEur Respir J200934364865419720809
- HosmerDWLemeshowSApplied Logistic RegressionNew YorkWiley1989
- HoogendoornMFeenstraTLHoogenveenRTAlMMolkenMRAssociation between lung function and exacerbation frequency in patients with COPDInt J Chron Obstruct Pulmon Dis2010543544421191438
- KruisALStällbergBJonesRCPrimary care COPD patients compared with large pharmaceutically-sponsored COPD studies: an UNLOCK validation studyPLoS One201493e9014524598945
- JonesRCPriceDRyanDRespiratory Effectiveness GroupOpportunities to diagnose chronic obstructive pulmonary disease in routine care in the UK: a retrospective study of a clinical cohortLancet Respir Med20142426727624717623
- PencinaMJD’AgostinoRBSrEvaluating discrimination of risk prediction models: the C statisticJAMA2015314101063106426348755
- MiravitllesMGuerreroTMayordomoCSanchez-AgudoLNicolauFSeguJLFactors associated with increased risk of exacerbation and hospital admission in a cohort of ambulatory COPD patients: a multiple logistic regression analysis. The EOLO Study GroupRespiration200067549550111070451
- HurstJRVestboJAnzuetoAEvaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints (ECLIPSE) InvestigatorsSusceptibility to exacerbation in chronic obstructive pulmonary diseaseN Engl J Med2010363121128113820843247
- BowlerRPKimVReganECOPDGene InvestigatorsPrediction of acute respiratory disease in current and former smokers with and without COPDChest2014146494195024945159
- MüllerováHShuklaAHawkinsAQuintJRisk factors for acute exacerbations of COPD in a primary care population: a retrospective observational cohort studyBMJ Open2014412e006171
- MakeBJErikssonGCalverleyPMA score to predict short-term risk of COPD exacerbations (SCOPEX)Int J Chron Obstruct Pulmon Dis20151020120925670896
- SahaSBrightlingCEEosinophilic airway inflammation in COPDInt J Chron Obstruct Pulmon Dis200611394718046901
- PuhanMAGarcia-AymerichJFreyMExpansion of the prognostic assessment of patients with chronic obstructive pulmonary disease: the updated BODE index and the ADO indexLancet2009374969170471119716962
- HardinMSilvermanEKBarrRGCOPDGene InvestigatorsThe clinical features of the overlap between COPD and asthmaRespir Res20111212721951550
- PapaiwannouAZarogoulidisPPorpodisKAsthmachronic obstructive pulmonary disease overlap syndrome (ACOS): current literature reviewJ Thorac Dis20146suppl 1S146S15124672688