Table 1 Characteristics of the OCAC case–control studies included in this report

From: Validating genetic risk associations for ovarian cancer through the international Ovarian Cancer Association Consortium

Study (Ref) a

Location

Years conducted

Control ascertainment

Case ascertainment

No. of controls/cases

SNPs genotyped

ACS

Australia

2002–2005

Randomly selected from Commonwealth electoral roll. Frequency matched for age and geographical region.

Cancer registries of New South Wales and Victoria.

364/166

rs2740574 (CYP3A4), rs1805386 (LIG4)

AOCS (Beesley et al, 2007)

Australia

2002–2006

Randomly selected from Commonwealth electoral roll. Frequency matched for age & geographical region.

Recruited through surgical treatment centres throughout Australia and cancer registries of Queensland, South Australia and West Australia.

698/558

rs2740574 CYP3A4), rs1805386 (LIG4), rs3218536 (XRCC2), rs861539 (XRCC3)

DOVE

Washington, USA

2002–2005

Random-digit dial identification from study area. Frequency matched to cases for race/ethnicity and 5-year age group.

Cases diagnosed with primary invasive ovarian cancer between 2002–2005 from a 13-county area of western Washington state.

744/548

rs3218536 (XRCC2)

GEOCS (Auranen et al, 2005)

Northern California, USA

1997–2002

Random-digit dial identification from study area. Frequency matched to cases for 5-year age group and race/ethnicity.

Greater Bay Area Cancer Registry, San Francisco.

419/317

rs1805386 (LIG4), rs3218536 (XRCC2), rs861539 (XRCC3)

HAWAII (Goodman et al, 2001a, 2001b)

Hawaii, USA

1993 onwards

Randomly selected from Hawaii Department of Health Annual Survey of the representatives households.

Rapid case ascertainment through Hawaii Tumour Registry.

160/70

rs4680 (COMT), rs4646903 (CYP1A1), rs1048943 (CYP1A1), rs1056836 (CYP1B1), rs2740574 (CYP3A4), rs743572 (CYP17), rs3020450 (ESR2), rs3218536 (XRCC2)

HOPE

NY, OH and PA, USA

2003 onwards

Identified in same regions. Frequency matched for age and ethnicity.

Physician offices, cancer registries and pathology databases from counties of western PA, eastern OH and western NY.

662/297

RS3218536 (XRCC2)

MALOVA (Auranen et al, 2005)

Denmark

1994–1999

Random sample of general female population (35–79 years of age) in study area. Selected using computerised Central Population Register and matched to cases for age and geographical region.

Incident cases (35–79 years of age) from municipalities of Copenhagen and Frederiksberg and surrounding counties.

1197/42

rs2740574 (CYP3A4), rs1805386 (LIG4), rs3218536 (XRCC2), rs861539 (XRCC3)

MAYO (Sellers et al, 2005)

Mayo Clinic, USA

2000 onwards

Healthy women seeking general medical examination identified through Mayo Clinic. Frequency matched to cases for age, race, and state of residence.

Cases attending Mayo Clinic identified in a six-state surrounding region.

442/325

rs4680 (COMT), rs1048943 (CYP1A1), rs1056836 (CYP1B1), rs3218536 (XRCC2)

NCOCS

North Carolina, USA

1999 onwards

Controls identified from same region. Frequency matched to cases for age and race.

Identified from 48 counties within the region by rapid-case ascertainment.

941/702

rs2740574 (CYP3A4), rs743572 (CYP17), rs3020450 (ESR2), rs1805386(LIG4), rs3218536(XRCC2), rs861539 (XRCC3)

NECC (Garner et al, 2002; Terry et al, 2003)

New England, USA

1992–2003

Controls identified through random digit dialing, townbooks, and drivers’ license lists. Frequency matched to cases on age and state of residence.

Identified through hospital tumour boards and state cancer registries in New Hampshire and Massachusetts.

484/268

rs4646903 (CYP1A1), rs1048943 (CYP1A1), rs743572 (CYP17), rs3020450 (ESR2)

OVCARE (Holt et al, 2007)

Washington, USA

1994–1998

Controls identified through random digit dialing in same three geographic regions as cases.

Incident cases (35–54 years of age) identified by SEER population-based cancer registries serving metropolitan Atlanta, Detroit, and Seattle areas.

577/188

rs4680 (COMT), rs4646903 (CYP1A1), rs1048943 (CYP1A1), rs1056836 (CYP1B1)

SEARCH (Auranen et al, 2005)

UK

1991 onwards

Selected from the EPIC-Norfolk cohort of 25,000 individuals aged 45–74, based in the same geographical regions as cases.

Caese<70 years from East Anglian, West Midlands & Trent regions of England. Prevalent cases diagnosed 1991–1998; incident cases diagnosed 1998 onwards.

1221/851

rs1805386 (LIG4), rs3218536 (XRCC2), rs861539 (XRCC3)

SWH (Spurdle et al, 2002; Webb et al, 2005)

Australia

1985–1996 (cases) 1992 1993 (controls)

From national twin study (one member of pairs of monozygotic twins).

Cancer registries of New South Wales and Queensland, Australia.

275/377

rs2740574 (CYP3A4), rs743572 (CYP17), rs3218536 (XRCC2), rs861539 (XRCC3)

UCI

Orange and San Deigo counties, USA

1994–2004

Controls identified through random digit dialing. Frequency matched to cases by age group and race/ethnicity.

Recruitment of cases was done by rapid case ascertainment through the Cancer Surveillance Program of Orange and San Diego Counties that resides at UCI and is part of the California Cancer Registry.

438/298

rs3218536 (XRCC2)

UKOPS

UK

2006 onwards

Postmenopausal women from the general population participating in the United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS). All women followed up for cancers through the Office of National Statistics

Incident cases from ten gynaecological oncology National Health Service centres throughout the UK, from January 2006 onwards.

584/262

rs2740574 (CYP3A4), rs3218536 (XRCC2)

USC (Pearce et al, 2008b)

Los Angeles, USA

1993 onwards

Neighborhood recruited controls, frequency matched to cases for age and ethnicity.

Rapid case ascertainment through Los Angeles Cancer Surveillance Program.

701/564

rs743572 (CYP17), rs3020450 (ESR2), rs1805386 (LIG4), rs3218536 (XRCC2)

  1. aSee Materials and Methods for full study name.