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Table 1 Summary of case-crossover study characteristics

From: Systematic review and meta-analysis of case-crossover and time-series studies of short term outdoor nitrogen dioxide exposure and ischemic heart disease morbidity

Study

Country/Region

Location

Start

End

Events

Outcomea

Diagnosisb

Exposure

Mean NO2 (ppb)c

Wang 2015 [26]

Canada

Calgary, Edmonton, Canada

1999

2010

22,628

HA

AMI, NSTEMI, STEMI

Monitor

NA

Wang 2015 [27]

Canada

Alberta, Canada

1999

2010

25,894

HA

AMI

Monitor

15.0

Weichenthal 2016 [28]

Canada

Ontario, Canada

2004

2011

30,101

EV

AMI

Monitor

12.3

Weichenthal 2016 [29]

Canada

Ontario, Canada

2004

2011

17,960

EV

AMI

Monitor

14.1

Basu 2012 [30]

United States

California, US

2005

2008

32,890

EV

IHD

Monitor

14.9

Evans 2017 [31]

United States

Rochester, US

2007

2012

366

HA

STEMI

Monitor

4.3

Peel 2007 [32]

United States

Atlanta, US

1993

2000

32,731

EV

IHD

Monitor

24.2

Peters 2001 [33]

United States

Boston, US

1995

1996

772

HA

AMI

Monitor

24.0

Rich 2010 [34]

United States

New Jersey, US

2004

2006

1262

HA

STEMI

Monitor

NA

Zanobetti 2006 [35]

United States

Boston, US

1995

1999

15,578

HA

AMI

Monitor

13.6

Argacha 2016 [36]

Europe

Belgium

2009

2013

11,428

HA

STEMI

Monitor

12.6

Bard 2014 [37]

Europe

Strasbourg, France

2000

2007

2134

HA

AMI

Model

17.8

Berglind 2010 [38]

Europe

Stockholm, Sweden

1993

1994

660

HA

AMI

Monitor

13.8

Bhaskaran 2011 [39]

Europe

England, Wales

2003

2006

79,288

HA

AMI

Monitor

8.7

Buszman 2018 [40]

Europe

3 Polish cities

2014

2015

1957

HA

NSTEMI,STEMI

Monitor

9.5

Butland 2016 [41]

Europe

England, Wales

2003

2010

630,116

HA

AMI, NSTEMI, STEMI

Monitor

9.0

Collart 2015 [42]

Europe

Charleroi, Belgium

1999

2008

2859

HA

AMI

Monitor

18.7

D’Ippoliti 2003 [43]

Europe

Rome, Italy

1995

1997

6531

HA

AMI

Monitor

45.9

Milojevic 2014 [44]

Europe

England and Wales

2003

2009

452,343

HA

AMI, NSTEMI, STEMI

Monitor

13.8

Nuvolone 2011 [45]

Europe

Tuscany, Italy

2002

2005

11,450

HA

AMI

Monitor

NA

Panasevich 2013 [46]

Europe

Stockholm, Sweden

1992

1994

1192

HA

AMI

Monitor

13.7

Peters 2005 [47]

Europe

Augsburg, Germany

1999

2001

851

HA

AMI

Monitor

19.0

Ruidavets 2005 [48]

Europe

Toulouse, France

1997

1999

399

HA

AMI

Monitor

16.7

Sahlen 2019 [49]

Europe

Stockholm, Sweden

2000

2014

14,601

HA

STEMI

Monitor

8.0

Vencloviene 2011 [50]

Europe

Kaunas City, Lithuania

2004

2006

6594

HA

AMI

Monitor

18.4

Wichmann 2012 [51]

Europe

Copenhagen, Denmark

1999

2006

14,456

HA

AMI

Monitor

12.0

Wichmann 2013 [52]

Europe

Gothenburg, Sweden

1985

2010

24,355

HA

AMI

Monitor

14.5

Akbarzadeh 2018 [53]

Other

Tehran, Iran

2014

2016

208

HA

STEMI

Monitor

60.7

Barnett 2006 [54]

Other

7 cities in New Zealand, Australia

1998

2001

NA

HA

AMI

Monitor

9.2

Cheng 2009 [55]

Other

Kaohsiung, Taiwan

1996

2006

9349

HA

AMI

Monitor

26.5

Franck 2014 [56]

Other

Santiago, Chile

2004

2007

15,296

HA

IHD

Monitor

18.1

Hsieh 2010 [57]

Other

Taipei, Taiwan

1996

2006

23,420

HA

AMI

Monitor

29.9

Huang 2016 [58]

Other

Taiwan

2000

2013

1835

EV&HA

IHD

Monitor

NA

Kojima 2014 [59]

Other

Kumamoto, Japan

2010

2015

3713

HA

AMI

Monitor

10.5

Li 2019 [60]

Other

Yancheng, China

2015

2018

347

HA

STEMI

Monitor

10.9

Liu 2017 [61]

Other

China

2014

2015

80,787

HA

AMI

Monitor

24.8

Tsai 2012 [62]

Other

Taipei, Taiwan

1999

2009

27,563

HA

AMI, IHD

Monitor

27.6

Turin 2012 [63]

Other

Takashima, Japan

1988

2004

429

HA, other

AMI

Monitor

16.0

  1. aHA Hospital admission; EV Emergency visit; bAMI Acute myocardial infarction; IHD Ischemic heart disease; NSTEMI Non ST-elevation MI; STEMI ST-elevation MI; c24 hour average; in some cases estimated from median and/or daily 1 h maximum