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Table 1 Summary of studies and corresponding relative risk estimates (95% CI) included in the meta-analysis

From: Association between mesothelioma and non-occupational asbestos exposure: systematic review and meta-analysis

Author (Year)

Country

Design

Inclusion year

Fiber

Case source

Control source

Sample size

Effect estimate (95% CI)

Quality Tierc

Neighborhood

 Mensi (2015)

Italy

CO

2000–2011

Ch, Cr

Ca. registry

NA

3455

6.6 (5.2, 8.3)

2

 Bayram (2013)

Turkey

CC

2000–2010

NR

Ca. registry

Registry

532

1.88 (1.63, 2.16)

2

 Tarres (2013)

Spain

CO

2000–2009

NR

Hospital

NA

24

12.92 (10.77, 15.33)

2

 Madkour (2009)

Egypt

CC

2003–2004

Ch

Central agency

Pop

4291

27.89 (3.89, 200.1)

2

 Musti (2009)

Italy

CC

1993–2003

Mixed

Ca. registry

Pop

273

5.29 (1.18, 23.74)

1

 Baumann (2007)

New Caledonia

CC

1984–2002

NR

Ca. registry

Registry

188

2.49 (0.82, 7.58)

3

 Maule (2007)a

Italy

CC

1987–1993

Mixed

LHA

Pop

272

5.1 (1.9, 13.4)

1

 Pan (2005)

USA

CC

1988–1997

NR

Ca. registry

Registry

2908

0.93 (0.90, 0.98)

1

 Metintas (2002)

Turkey

CO

1990–2000

Tr, Ch

Ca. registry, hosp, LHA

NA

1886

77.17 (51.73, 115.1) d

3

 Magnani (2000)

Multi-countriesb

CC

1995–1996

NR

Ca. registry

Pop, hosp

448

11.5 (2.84, 46.5)

1

 Rees (1999)

South Africa

CC

1988–1990

Am,Cr

Hosp

Hosp

345

19.6 (3.7, 105)

2

 Howel (1997)

UK

CC

1979–1991

Mixed

Ca. registry

Registry

345

6.6 (0.86, 59)

2

 McDonald (1980)

Canada, USA

CC

1960–1972

Ch

Pathologic societies

Hosp

490

0.25 (0.03, 2.24)

3

 Newhouse(1965)

UK

CC

1989–2001

Mixed

Hosp

Hosp

152

5.46 (1.72, 17.31)

3

Domestic

 Ferrante (2016)

Italy

CC

2001–2006

NR

LHA

Pop

348

2.4 (1.3, 4.4)

2

 Mensi (2015)

Italy

CO

2000–2011

Ch, Cr

Ca. registry

NA

3455

8.7 (6.2, 12.1)

2

 Rake (2009)

UK

CC

2001–2006

NR

Ca. registry, hosp

Pop

1420

2 (1.3, 3.2)

2

 Ferrante (2007)

Italy

CO

1907–1986

NR

Registrar’s office

NA

1780

25.19 (12.57, 45.07)

1

 Maule (2007)a

Italy

CC

1987–1993

Mixed

LHA

Pop

272

1.4 (0.7, 2.9)

1

 Welch (2005)

USA

CC

1989–2001

NR

Ca. registry

Registry

48

5.5 (1.03, 29.45)

3

 Case (2002)

Canada

CC

1970–1989

Ch

Hosp

Pop

160

4.92 (0.61, 39.87)

2

 Howel (1997)

UK

CC

1979–1991

Mixed

Ca. registry

Registry

345

5.8 (1.7, 19.2)

2

 Spirtas (1994)

USA

CC

1975–1980

NR

Ca. registry, hosp

Pop

533

1.77 (0.92, 3.4) d

2

 McDonald (1980)

Canada, USA

CC

1960–1972

Ch

Pathologic societies

Hosp

490

4.0 (0.85, 18.84)

3

 Vianna (1978)

USA

CC

1967–1977

NR

Registrar’s office

Pop

52

10 (1.42, 37.4)

3

 Newhouse(1965)

UK

CC

1989–2001

Mixed

Hosp

Hosp

152

16.75 (2.04, 137.51)

3

 Household

         

 Ferrante (2016)

Italy

CC

2001–2006

NR

LHA

Pop

348

2.0 (1.2, 3.2)

2

 Baumann (2007)

New Caledonia

CC

1984–2002

NR

Ca. registry

Registry

188

1.01 (0.98, 1.04)

3

 Ferrante (2007)

Italy

CO

1907–1986

NR

Registrar’s office

NA

1780

2 (1.2, 3.2)

1

 Maule (2007)a

Italy

CC

1987–1993

Mixed

LHA

Pop

272

1.3 (0.8, 2.3)

1

 Luce (2000)

New Caledonia

CC

1993–1995

Tr

Ca. registry

Pop

305

40.9 (5.15, 325)

2

 Neighborhood/Domestic

        

 Reid (2008)

Australia

CO

1950–2004

Ch, Cr

Ca. registry, hosp

NA

2552

2.08 (0.8, 5.42)

1

 Domestic/Household

        

 Magnani (2000)

Multi-countriesb

CC

1995–1996

NR

Ca. registry

Pop

448

4.92 (1.78, 13.6)

1

Neighborhood/Domestic/Household

 Lacourt (2014)

France

CC

1998–2002

NR

PNSM

Pop

874

3.84 (1.27, 11.58) d

1

  1. Abbreviations: Ca. registry Cancer registry, CC Case-control, CO Cohort, Ch Chrysotile, Cr Crocidolite, Tr Tremolite, Am Amosite, NR Not Reported, M Mesothelioma, Pop Population-based, Hosp Hospital-based, LHA Local health authority, PNSM National program for mesothelioma surveillance, NA not applicable
  2. a: updated results for Magnani (2001) b:Includes Italy, Spain and Switzerland. c: Quality tiers: Tier 1 (Quality score: 8–9), Tier 2 (Quality score: 6–7), Tier 3 (Quality score; 4–5).d:calculated from the gender-specific estimates