Table 1 Distribution of 19 cohorts in the PBCCG (N = 783,830, breast cancer cases = 9,618)
From: Development and validation of a risk prediction model for premenopausal breast cancer in 19 cohorts
Cohort | Acronym | N (%) | Cases (%) |
|---|---|---|---|
Europe | |||
 BCN Generations Study | BGS | 61,303 (7.8%) | 458 (4.8%) |
 Etude Epidemiologique aupres de femmes de la Mutuelle Generale de L'Education Nationale | E3 N | 58,360 (7.5%) | 1081 (11.2%) |
 European Prospective Investigation into Cancer and Nutrition | EPIC | 89,464 (11.4%) | 921 (9.6%) |
 The HUNT2 Study | HUNT2 | 16,955 (2.2%) | 44 (0.5%) |
 Norwegian Women and Cancer Study | NOWAC | 76,001 (9.7%) | 427 (4.4%) |
 Swedish Mammography Cohort | SMC | 26,329 (3.4%) | 157 (1.6%) |
 The Swedish Women’s Lifestyle and Health Study | SWLHS | 47,371 (6.0%) | 243 (2.5%) |
North America (United States) | |||
 California Teachers Study | CTS | 46,251 (5.9%) | 628 (6.5%) |
 Campaign against Cancer and Heart Disease | CLUEII | 4,099 (0.5%) | 47 (0.5%) |
 Mayo Mammography Health Study | MMHS | 5,017 (0.6%) | 53 (0.6%) |
 Nurses'Health Study | NHS | 95,012 (12.1%) | 1937 (20.1%) |
 Nurses'Health Study II | NHSII | 115,623 (14.8%) | 2397 (24.9%) |
 NYU Women's Health Study | NYUWHS | 6,688 (0.9%) | 197 (2.0%) |
 The Sister Study | SIS | 16,877 (2.2%) | 374 (3.9%) |
 Southern Community Cohort Study | SCCS | 14,126 (1.8%) | 55 (0.6%) |
 US Radiologic Technologists Cohort | USRTC | 52,559 (6.7%) | 412 (4.3%) |
Asia | |||
 Shanghai Women's Health Study | SWHS | 33,707 (4.3%) | 85 (0.9%) |
 Singapore Chinese Health Study | SCHS | 9,989 (1.3%) | 38 (0.4%) |
Australia | |||
 Melbourne Collaborative Cohort Study | MCCS | 8,099 (1.0%) | 64 (0.7%) |
Total | Â | 783,830 | 9,618 |