References
- Global Initiative for Chronic Obstructive Lung Disease (GOLD) [homepage on the Internet]Global Strategy for the Diagnosis, Management and Prevention of COPD2015 Available from: http://www.goldcopd.org/Accessed October 14, 2015
- NardiniSAnnesi-MaesanoIDel DonnoMThe AIMAR recommendations for early diagnosis of chronic obstructive respiratory disease based on the WHO/GARD modelMultidiscip Respir Med2014914625473523
- QuanjerPHCorrectly defining criteria for diagnosing chronic obstructive pulmonary disease mattersAm J Respir Crit Care Med2014189223024428654
- RennardSVestboJAgustiAReply: correctly defining criteria for diagnosing chronic obstructive pulmonary disease mattersAm J Respir Crit Care Med2014189223023124428653
- QuanjerPHEnrightPLMillerMRThe need to change the method for defining mild airway obstructionEur Respir J201137372072221357929
- Lung function testing: selection of reference values and interpretative strategies. American Thoracic SocietyAm Rev Respir Dis19911445120212181952453
- PellegrinoRViegiGBrusascoVInterpretative strategies for lung function testsEur Respir J200526594896816264058
- Mohamed HoeseinFAZanenPLammersJWLower limit of normal or FEV1/FVC <0.70 in diagnosing COPD: an evidence-based reviewRespir Med2011105690791521295958
- DivoMCoteCde TorresJPBODE Collaborative GroupComorbidities and risk of mortality in patients with chronic obstructive pulmonary diseaseAm J Respir Crit Care Med2012186215516122561964
- RabeKFWedzichaJAWoutersEFEuropean Respiratory Monograph 59: COPD and Comorbidity59LausanneEuropean Respiratory Society2013
- FabbriLMRabeKFFrom COPD to chronic systemic inflammatory syndrome?Lancet2007370958979779917765529
- DahlMVestboJLangePBojesenSETybjaerg-HansenANordestgaardBGC-reactive protein as a predictor of prognosis in chronic obstructive pulmonary diseaseAm J Respir Crit Care Med2007175325025517053205
- MehrotraNFreireAXBauerDCHealth ABC StudyPredictors of mortality in elderly subjects with obstructive airway disease: the PILE scoreAnn Epidemiol201020322323220159492
- CelliBRLocantoreNYatesJECLIPSE InvestigatorsInflammatory biomarkers improve clinical prediction of mortality in chronic obstructive pulmonary diseaseAm J Respir Crit Care Med2012185101065107222427534
- HolleRHappichMLöwelHWichmannHEMONICA/KORA Study GroupKORA – a research platform for population based health researchGesundheitswesen200567suppl 1S19S2516032513
- KarraschSFlexederCBehrJKORA Study GroupSpirometric reference values for advanced age from a south German populationRespiration201385321021922797415
- PetersADöringALadwigKHMultimorbidity and successful aging: the population-based KORA-Age studyZ Gerontol Geriatr20114424154 German22270973
- LöwelHDöringASchneiderAMONICA/KORA Study GroupThe MONICA Augsburg surveys – basis for prospective cohort studiesGesundheitswesen200567suppl 1S13S1816032512
- QuanjerPHHallGLStanojevicSColeTJStocksJGlobal LungsIAge- and height-based prediction bias in spirometry reference equationsEur Respir J201240119019722183491
- KirchbergerIMeisingerCHeierMPatterns of multimorbidity in the aged population. Results from the KORA-age studyPLoS One201271e3055622291986
- SpitzerRJKroenkeKWilliamsJBWLöweBA brief measure for assessing generalized anxiety disorderArch Intern Med2006166101092109716717171
- YesavageJASheikhJIGeriatric depression scale (GDS). Recent evidence and development of a shorter versionClin Gerontol198651–2165173
- van DijkWTanWLiPCanCOLD Study GroupClinical relevance of fixed ratio vs lower limit of normal of FEV1/FVC in COPD: patient-reported outcomes from the CanCOLD cohortAnn Fam Med2015131414825583891
- TurkeshiEVaesBAndreevaEAirflow limitation by the Global lungs initiative equations in a cohort of very old adultsEur Respir J201546112313225882799
- MolariusASeidellJCKuulasmaaKDobsonAJSansSSmoking and relative body weight: an international perspective from the WHO MONICA ProjectJ Epidemiol Community Health19975132522609229053
- IslamMMValderasJMYenLDawdaPJowseyTMcRaeISMultimorbidity and comorbidity of chronic diseases among the senior Australians: prevalence and patternsPLoS One201491e8378324421905
- SmithMWrobelJEpidemiology and clinical impact of major comorbidities in patients with COPDInt J Chron Obstruct Pulmon Dis2014987188825210449
- TzanakisNHillasGPerlikosFTsiligianniIManaging comorbidities in COPDInt J Chron Obstruct Pulmon Dis2015109510925609943
- DivoMJCasanovaCMarinJMBODE Collaborative GroupCOPD comorbidities networkEur Respir J201546364065026160874
- BaldiSBruschiCMaestriRThe mediating role of cytokine IL-6 on the relationship of FEV1 upon 6-minute walk distance in chronic obstructive pulmonary diseaseInt J Chron Obstruct Pulmon Dis201491091109925336940
- SilvaDRGazzanaMBKnorstMMC-reactive protein levels in stable COPD patients: a case-control studyInt J Chron Obstruct Pulmon Dis2015101719172526357470
- CrieeCPSorichterSSmithHJWorking Group for Body Plethysmography of the German Society for Pneumology and Respiratory CareBody plethysmography – its principles and clinical useRespir Med2011105795997121356587