Table 1.

Description of twelve participating studies.

Study site N=2933	HGSC N=1742	LGSC N=110	MC N=207	EC N=484	CCC N=390	Country (years)	Ascertainment of cases and clinical data	Pathology data and review
AOC36 N=208	169	9	—	30	—	Australia (2002–2006)	Treatment centers throughout Australia; cancer registries serving Queensland, South and West Australia; regular follow-up visits	Pathology reports and diagnostic slides reviewed by panel of gynecologic pathologists
HAW37, 38 N=108	56	1	11	25	15	US (1993–2008)	Hawaii Tumor Registry and medical records	Pathology reports and histological slides reviewed by study pathologist
MAL39, 40 N=140	53	9	42	3	33	Denmark (1994–1999)	Gynecological departments in Copenhagen, Frederiksberg and 7 surrounding counties	Review of pathology reports for all cases and histological slides for 30% by gynecologic pathologist
MAY+MAC41 N=484	331	17	17	86	33	US (2000–2009)	Mayo Clinic medical records and State death certificates	Pathology reports and histologic slides reviewed by Mayo Clinic gynecologic pathologists
NOT42 N=232	127	11	21	48	25	UK (1991–2008)	Hospital records and Trent cancer registry	Pathology reports reviewed by gynecologic pathologist
POL43 N=81	50	4	8	13	6	Poland (2000–2003)	Hospital records and cancer registries serving Warsaw and Lodz	Histological slides reviewed by study pathologist
RPX44 N=281	224	12	10	14	21	US (2000–2011)	Roswell Park Cancer Institute cancer registry and medical records	Pathology reports reviewed by Roswell Park Cancer Institute pathologists
SEA45 N=179	96	3	13	40	27	UK (1998–2008)	East Anglia and West Midlands Cancer Registry	Pathology reports reviewed by central pathologist
STA46 N=276	172	19	20	35	30	US (1997–2001)	Greater Bay Area Cancer Registry	Pathology reports and histological slides reviewed by study pathologist
TOC47 N=101	—	—	20	43	38	Canada (1995–2003)	Ontario Cancer Registry	Pathology reports and histological slides reviewed by study pathologist
UKO48 N=93	49	8	8	12	16	UK (2006–2010)	10 major Gynecologic Oncology NHS centers in England, Wales and Northern Ireland; cancer registries; NHS Information Centre for Health and Social Care (England and Wales) and Central Services Agency (Northern Ireland)	Central review of pathology reports by gynecologic oncologist
VAN49, 50 N=750	415	17	37	135	146	Canada (1984–2000)	Ovarian Cancer Registry serving British Columbia, and the Cheryl Brown Outcomes unit	Central review of pathology reports and histological slides by University of British Columbia pathologists

HGSC=high-grade serous carcinoma; LGSC=low-grade serous carcinoma; MC=mucinous carcinoma; EC=endometrioid carcinoma; CCC=clear cell carcinoma.