References
- Global Initiative for Chronic Obstructive Lung DiseaseGlobal Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary DiseaseBethesda (MD)GOLD2015
- RobertsCMLoweDBucknallCERylandIKellyYPearsonMGClinical audit indicators of outcome following admission to hospital with acute exacerbation of chronic obstructive pulmonary diseaseThorax200257213714111828043
- ChungLPWinshipPPhungSLakeFWatererGFive-year outcome in COPD patients after their first episode of acute exacerbation treated with non-invasive ventilationRespirology20101571084109120573056
- ScholsAMBroekhuizenRWeling-ScheepersCAWoutersEFBody composition and mortality in chronic obstructive pulmonary diseaseAm J Clin Nutr2005821535916002800
- DivoMCoteCde TorresJPComorbidities and risk of mortality in patients with chronic obstructive pulmonary diseaseAm J Respir Crit Care Med2012186215516122561964
- BerryCEWiseRAMortality in COPD: causes, risk factors, and preventionCOPD20107537538220854053
- ConnorsAFDawsonNVThomasCOutcomes following acute exacerbation of severe chronic obstructive lung diseaseAm J Respir Crit Care Med19961544 Pt 19599678887592
- HanMKAgustiACalverleyPMChronic obstructive pulmonary disease phenotypes: the future of COPDAm J Respir Crit Care Med2010182559860420522794
- CelliBRCoteCGMarinJMThe body-mass index, airflow obstruction, dyspnea, and exercise capacity index in chronic obstructive pulmonary diseaseN Engl J Med2004350101005101214999112
- AlmagroPSorianoJBCabreraFJShort- and medium-term prognosis in patients hospitalized for COPD exacerbation: the CODEX indexChest2014145597298024077342
- KentBDMitchellPDMcNicholasWTHypoxemia in patients with COPD: cause, effects, and disease progressionInt J Chron Obstruct Pulmon Dis2011619920821660297
- HoepersATMenezesMMFrödeTSSystematic review of anaemia and inflammatory markers in chronic obstructive pulmonary diseaseClin Exp Pharmacol Physiol201542323123925641228
- SimilowskiTThe potential impact of anaemia of chronic disease in COPDEur Respir J200627239039616452598
- PlesnerLLSchoosMMDalsgaardMIron deficiency in COPD associates with increased pulmonary artery pressure estimated by echocardiographyHeart Lung Circ Epub2016525
- RöhrigGAnemia in the frail, elderly patientClin Interv Aging20161131932627051279
- BoutouAKKarrarSHopkinsonNSPolkeyMIAnemia and survival in chronic obstructive pulmonary disease: a dichotomous rather than a continuous predictorRespiration201385212613122759351
- MartinezFJFosterGCurtisJLPredictors of mortality in patients with emphysema and severe airflow obstructionAm J Respir Crit Care Med2006173121326133416543549
- MydinHHMurphySClagueHSridharanKTaylorIKAnemia and performance status as prognostic markers in acute hypercapnic respiratory failure due to chronic obstructive pulmonary diseaseInt J Chron Obstruct Pulmon Dis2013815115723658480
- Martinez-RiveraCPortilloKMuñoz-FerrerAAnemia is a mortality predictor in hospitalized patients for COPD exacerbationCOPD20129324325022360381
- LimaDFColetaKDTanniSESilveiraLVGodoyIGodoyIPotentially modifiable predictors of mortality in patients treated with long-term oxygen therapyRespir Med2011105347047620846839
- KollertFTippeltAMüllerCHemoglobin levels above anemia thresholds are maximally predictive for long-term survival in COPD with chronic respiratory failureRespir Care20125871204121223232736
- CoteCZilberbergMDModySHDordellyLJCelliBHaemoglobin level and its clinical impact in a cohort of patients with COPDEur Respir J200729592392917251227
- ColetaKDSilveiraLVLimaDFRampinelliEAGodoyIGodoyIPredictors of first-year survival in patients with advanced COPD treated using long-term oxygen therapyRespir Med2008102451251818191558
- SchneckenpointnerRJörresRAMeidenbauerNKollertFPfeiferMBudweiserSThe clinical significance of anaemia and disturbed iron homeostasis in chronic respiratory failureInt J Clin Pract201468113013824341307
- SeyhanECÖzgülMATutarNÖmürIUysalAAltınSRed blood cell distribution and survival in patients with chronic obstructive pulmonary diseaseCOPD201310441642423537076
- García-OlmosLAlberquillaAAyalaVComorbidity in patients with chronic obstructive pulmonary disease in family practice: a cross sectional studyBMC Fam Pract2013141123324308
- NissensonARGoodnoughLTDuboisRWAnemia: not just an innocent bystander?Arch Intern Med2003163121400140412824088
- ThomsenRWLangePHellquistBValidity and underrecording of diagnosis of COPD in the Danish National Patient RegistryRespir Med201110571063106821320769
- World Health OrganizationHaemoglobin Concentrations for the Diagnosis of Anaemia and Assessment of SeverityGenevaWHO2011
- National Institute of Diabetes and Digestive and Kidney DiseasesEstimating glomerular filtration rate (GFR)2015 Available from: https://www.niddk.nih.gov/health-information/health-communication-programs/nkdep/lab-evaluation/gfr/estimating/Pages/estimating.aspxAccessed October 11, 2016
- SilverbergDSMorRWeuMTSchwartzDSchwartzIFCherninGAnemia and iron deficiency in COPD patients: prevalence and the effects of correction of the anemia with erythropoiesis stimulating agents and intravenous ironBMC Pulm Med2014142424564844
- RasmussenLChristensenSLenler-PetersenPJohnsenSPAnemia and 90-day mortality in COPD patients requiring invasive mechanical ventilationClin Epidemiol2011315
- Nilsson-EhleHJagenburgRLandahlSSvanborgABlood haemoglobin declines in the elderly: implications for reference intervals from age 70 to 88Eur J Haematol200065529730511092459
- ChambellanAChailleuxESimilowskiTPrognostic value of the hematocrit in patients with severe COPD receiving long-term oxygen therapyChest200512831201120816162707
- RobertsCMLopez-CamposJLHartlSThe European COPD Audit: brothers in armsBreathe201284267270
- Dal NegroRWBonadimanLTurcoPPrevalence of different comorbidities in COPD patients by gender and GOLD stageMultidiscip Respir Med20151012426246895
- ThygesenSKChristiansenCFChristensenSLashTLSørensenHTThe predictive value of ICD-10 diagnostic coding used to assess Charlson comorbidity index conditions in the population-based Danish National Registry of PatientsBMC Med Res Methodol2011118321619668
- SchmidtMPedersenLSørensenHTThe Danish civil registration system as a tool in epidemiologyEur J Epidemiol201429854154924965263
- KümlerTGislasonGHKirkVAccuracy of a heart failure diagnosis in administrative registersEur J Heart Fail200810765866018539522