Figures & data
Table 1 Contextual details of the studies included in the meta analysis
Table 2 Subgroup analysis by gaseous and particulate pollutants
KloogINordioFZanobettiACoullBAKoutrakisPSchwartzJDShort term effects of particle exposure on hospital admissions in the Mid-Atlantic states: a population estimatePloS One201492e8857824516670 MengXWangCCaoDWongC-MKanHShort-term effect of ambient air pollution on COPD mortality in four Chinese citiesAtmospheric Environment201377149154 Tellez-RojoMRomieuIRuiz-VelascoSLezanaMHernandez-AvilaMDaily respiratory mortality and PM10 pollution in Mexico City: importance of considering place of deathEuropean Respiratory Journal200016339139611028649 WordleyJWaltersSAyresJGShort term variations in hospital admissions and mortality and particulate air pollutionOccupational and Environmental Medicine19975421081169072018 NeubergerMRabczenkoDMoshammerHExtended effects of air pollution on cardiopulmonary mortality in ViennaAtmos Environ2007413885498556 YorifujiTSuzukiEKashimaSHourly differences in air pollution and risk of respiratory disease in the elderly: a time-stratified case-crossover studyEnvironmental Health20141316725115710 SchikowskiTAdamMMarconAAssociation of ambient air pollution with the prevalence and incidence of COPDEur Respir J201444361462624488569 TaoYMiSZhouSWangSXieXAir pollution and hospital admissions for respiratory diseases in Lanzhou, ChinaEnvironmental Pollution201418519620124286694 MoolgavkarSHLuebeckEGAndersonELAir pollution and hospital admissions for respiratory causes in Minneapolis-St. Paul and BirminghamEpidemiology19973643709209848 HinwoodADe KlerkNRodriguezCThe relationship between changes in daily air pollution and hospitalizations in Perth, Australia 1992–1998: a case-crossover studyInternational Journal of Environmental Health Research2006161274616507479 MilutinovicSNikicDStosicLStankovicABogdanovicDShort-term association between air pollution and emergency room admissions for chronic obstructive pulmonary disease in Nis, SerbiaCentral European Journal of Public Health2009171819418713 ArbexMAde Souza ConceiçãoGMCendonSPUrban air pollution and chronic obstructive pulmonary disease-related emergency department visitsJournal of Epidemiology and Community Health2009631077778319468016 ForastiereFStafoggiaMBertiGParticulate matter and daily mortality: a case-crossover analysis of individual effect modifiersEpidemiology200819457158018467959 KoFWTamWWongTWTemporal relationship between air pollutants and hospital admissions for chronic obstructive pulmonary disease in Hong KongThorax200762978078517311838 ZanobettiASchwartzJDockeryDWAirborne particles are a risk factor for hospital admissions for heart and lung diseaseEnvironmental Health Perspectives200010811107111102299 MorganGCorbettSWlodarczykJAir pollution and hospital admissions in Sydney, Australia, 1990 to 1994American Journal of Public Health19988812176117669842371 AndersonHSpixCMedinaSAir pollution and daily admissions for chronic obstructive pulmonary disease in 6 European cities: results from the APHEA projectEuropean Respiratory Journal1997105106410719163648 PeelJLTolbertPEKleinMAmbient air pollution and respiratory emergency department visitsEpidemiology200516216417415703530 ChenYYangQKrewskiDShiYBurnettRTMcGrailKInfluence of relatively low level of particulate air pollution on hospitalization for COPD in elderly peopleInhalation Toxicology2004161212514744661 WongTTamWYuTWongAAssociations between daily mortalities from respiratory and cardiovascular diseases and air pollution in Hong Kong, ChinaOccupational and Environmental Medicine2002591303511836466 TeniasJMBallesterFPerez-HoyosSRiveraMLAir pollution and hospital emergency room admissions for chronic obstructive pulmonary disease in Valencia, SpainArchives of Environmental Health2002571414712071359 YangQChenYKrewskiDBurnettRTShiYMcGrailKMEffect of short-term exposure to low levels of gaseous pollutants on chronic obstructive pulmonary disease hospitalizationsEnviron Res20059919910516053934 QiuHYuIT-sTianLEffects of coarse particulate matter on emergency hospital admissions for respiratory diseases: a time-series analysis in Hong KongEnvironmental Health Perspectives2012120457222266709 StiebDMSzyszkowiczMRoweBHLeechJAAir pollution and emergency department visits for cardiac and respiratory conditions: a multi-city time-series analysisEnviron Health2009825101186 WongTWLauTSYuTSAir pollution and hospital admissions for respiratory and cardiovascular diseases in Hong KongOccupational and Environmental Medicine1999561067968310658547 SchoutenJVonkJDe GraafAShort term effects of air pollution on emergency hospital admissions for respiratory disease: results of the APHEA project in two major cities in The Netherlands, 1977–89Journal of Epidemiology and Community Health199650Suppl 1s22s298758220 FuscoDForastiereFMichelozziPAir pollution and hospital admissions for respiratory conditions in Rome, ItalyEur Respir J2001171143115011491157 SauerzapfVJonesAPCrossJEnvironmental factors and hospitalisation for chronic obstructive pulmonary disease in a rural county of EnglandJournal of Epidemiology and Community Health200963432432819208692 Medina-RamonMZanobettiASchwartzJThe effect of ozone and PM10 on hospital admissions for pneumonia and chronic obstructive pulmonary disease: A national multicity studyAmerican Journal of Epidemiology2006163657958816443803 JanssenNFischerPMarraMAmelingCCasseeFShort-term effects of PM 2.5, PM 10 and PM 2.5–10 on daily mortality in the NetherlandsScience of the Total Environment2013463202623787105 LinYChangSLinCChenYWangYComparing ozone metrics on associations with outpatient visits for respiratory diseases in Taipei Metropolitan areaEnvironmental Pollution201317717718423333210 BatesonTFSchwartzJWho is sensitive to the effects of particulate air pollution on mortality? A case-crossover analysis of effect modifiersEpidemiology200415214314915127905 SunyerJSchwartzJTobiasAMacfarlaneDGarciaJAntoJMPatients with chronic obstructive pulmonary disease are at increased risk of death associated with urban particle air pollution: A case-crossover analysisAmerican Journal of Epidemiology20001511505610625173 KanHChenBAir Pollution and Daily Mortality in Shanghai: A Time-Series StudyArchives of Environmental Health200358636036714992311 BragaALFZanobettiASchwartzJThe lag structure between particulate air pollution and respiratory and cardiovascular deaths in 10 US citiesJournal of Occupational and Environmental Medicine2001431192793311725331 SchwartzJDockeryDWIncreased mortality in Philadelphia associated with daily air pollution concentrationsAmerican Review of Respiratory Disease199214536006041546841 FischerPHoekGBrunekreefBVerhoeffAVan WijnenJAir pollution and mortality in the Netherlands: are the elderly more at risk?European Respiratory Journal20032140 suppl34s38s WongPMLeesANLouwJEmphysema in young adult survivors of moderate-to-severe bronchopulmonary dysplasiaEuropean Respiratory Journal200832232132818385172 XuZYuDJingLXuXAir pollution and daily mortality in Shenyang, ChinaArch Environ Health200055211512010821512 JanssenNAHSchwartzJZanobettiASuhHHAir conditioning and source-specific particles as modifiers of the effect of PM10 on hospital admissions for heart and lung diseaseEnvironmental Health Perspectives200211014349 DominiciFPengRDBellMLFine particulate air pollution and hospital admission for cardiovascular and respiratory diseasesJAMA2006295101127113416522832 YangCYChenCJAir pollution and hospital admissions for chronic obstructive pulmonary disease in a subtropical city: Taipei, TaiwanJournal of Toxicology and Environmental Health Part A: Current Issues2007701412141219 SchwartzJPM10, ozone, and hospital admissions for the elderly in Minneapolis-St. Paul, MinnesotaArchives of Environmental Health19944953663747944569 SchwartzJMorrisRAir pollution and hospital admissions for cardiovascular disease in Detroit, MichiganAm J Epidemiol1995142123357785670 SchwartzJAir pollution and hospital admissions for the elderly in Birmingham, AlabamaAmerican Journal of Epidemiology199413965895988172170 SunyerJSaezMMurilloCCastellsagueJMartinezFAntoJMAir pollution and emergency room admissions for chronic obstructive pulmonary disease: A 5-year studyAmerican Journal of Epidemiology199313777017058484361 LippmannMItoKNadasABurnettRAssociation of particulate matter components with daily mortality and morbidity in urban populationsResearch Report (Health Effects Institute)200095572 discussion 73–82 DabWMedinaSQuenelPShort term respiratory health effects of ambient air pollution: results of the APHEA project in ParisJournal of Epidemiology and Community Health199650Suppl 1s42s468758223 LeitteAMPetrescuCFranckURespiratory health, effects of ambient air pollution and its modification by air humidity in Drobeta-Turnu Severin, RomaniaScience of the Total Environment2009407134004401119375151 PandeJBhattaNBiswasDOutdoor air pollution and emergency room visits at a hospital in DelhiIndian Journal of Chest Diseases and Allied Sciences2002441132011845928 CireraLGarcía-MarcosLGiménezJDaily effects of air pollutants and pollen types on asthma and COPD hospital emergency visits in the industrial and Mediterranean Spanish city of CartagenaAllergologia et Immunopathologia201240423123721890258 YangC-YChenC-JAir pollution and hospital admissions for chronic obstructive pulmonary disease in a subtropical city: Taipei, TaiwanJournal of Toxicology and Environmental Health, Part A200770141214121917573635 LeeI-MTsaiS-SChangC-CHoC-KYangC-YAir pollution and hospital admissions for chronic obstructive pulmonary disease in a tropical city: Kaohsiung, TaiwanInhalation Toxicology200719539339817365044 PeacockJLAndersonHRBremnerSAOutdoor air pollution and respiratory health in patients with COPDThorax2011 thx.2010.155358 ZhangZWangJChenLImpact of haze and air pollution-related hazards on hospital admissions in Guangzhou, ChinaEnvironmental Science and Pollution Research20142164236424424306726 ChoJChoiYJSuhMAir pollution as a risk factor for depressive episode in patients with cardiovascular disease, diabetes mellitus, or asthmaJournal of Affective Disorders2014157455124581827 TianLHoKFWangTAmbient carbon monoxide and the risk of hospitalization due to chronic obstructive pulmonary diseaseAmerican Journal of Epidemiology11591801211591167 ToTFeldmanLSimatovicJHealth risk of air pollution on people living with major chronic diseases: a Canadian population-based studyBMJ Open201559e009075 CaiJChenRWangWXuXHaSKanHDoes ambient CO have protective effect for COPD patient?Environ Res2015136212625460616