Table 1 Summary of included studies

From: A systematic review and quality assessment of individualised breast cancer risk prediction models

Study ID

Targeted population

Risk factors (number of categories)

Discriminatory accuracy (AUROC)a

Calibration (E/O ratio)a

BCRAT model

 Banegas 2017

Hispanic, 25–79 years

Age (2), Menarche (3), Previous biopsies (2), Age at first birth (3), First degree breast cancer (2)

US-born: 0.56

Foreign-born: 0.62

US-born: 0.93b

Foreign-born: 1.52b

 Boyle 2004

Caucasian, 20–74 years

Age (n), Menarche (3), Age at first birth (3), First degree breast cancer (2), BMI (3), Alcohol (3), Physical activity (3), HRT (2), Diet beta-carotene/vitE (5), Diet fruits/vegetables (5)

0.6

1.03b

 Chen 2006

Caucasian, 35–74 years

Age (2), Weight (6), Breast density (5), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (3), Atypical hyperplasia (2)

None

None

 Decarli 2006

Caucasian, 20–74 years

Age (2), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (3)

0.59

0.96

 Gail 1989

Caucasian, 20–79 years

Age (2), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (3)

None

None

 Gail 2007

African-American, 35–64 years

Age (2), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (3)

0.56

0.93b

 Matsuno 2011

Asian, 20–55 years

Age (2), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (n), Ethnicity (6)

0.61

0.85b

 Novotny 2006

Multiple ethnicities, 23–84 years

Age (2), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (3), First degree family history of cancer (5), Parity (n), Breast inflammatory disease (2)

None

None

 Tice 2005

Multiple ethnicities, older than 35 years

Age (2), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (3), Breast density (4)

0.68

None

 Zhang 2018

Caucasian 30–64 years

Age (2), Menarche (3), Previous biopsies (3), Age at first birth (4), First degree breast cancer (2), Polygenic Risk Score(n), Mammographic density (n), Estrone Sulphate (n), Testosterone (n), Prolactin (n)

0.65

None

Breast Cancer Surveillance Consortium ‘BCSC’ model

 Kerlikowske 2015

Multiple ethnicities, 35–74 years

Age (n), Ethnicity (6), First degree breast cancer (2), Previous biopsies (2), Changes in breast density (16)

0.64

5-years: 0.98

10-years: 0.95

 Shieh 2016

Multiple ethnicities. Age was not specified

Age (n), Ethnicity (6), First degree breast cancer (2), Previous biopsies (2), Breast density (4), Polygenetic risk score (n), BMI (n)

0.65

None

 Tice 2008

Multiple ethnicities, 35–84 years

Age (n), Ethnicity (4), First degree breast cancer (2), Previous biopsies (2), Breast density (BI-RADS)

0.66

1.03

 Tice 2015

Multiple ethnicities, 35–74 years

Age (n), Ethnicity (4), First degree breast cancer (2), Breast density (4), Benign breast disease (6)

0.67

5-years: 1.04

10-years: 1.05

 Vachon 2015

Multiple ethnicities. Age was not specified

Age (n), Ethnicity (6), First degree breast cancer (2), Previous biopsies (2), Breast density (4), Polygenetic risk score (n)

0.69

None

Rosner & Colditz model based on the ‘Nurses' Health Study’

 Colditz 2000

Caucasian, 30–64 years

Age (n), Menarche (n), Age at first birth (n), Menopause (n), Age at subsequent births (n), Benign breast disease (2), HRT (n), First degree breast cancer (2), Weight (n), BMI (n), Alcohol (n)

None

None

 Colditz 2004

Caucasian, 30–64 years

Age (n), Menarche (n), Age at first birth (n), Menopause (n), Age at subsequent births (n), Benign breast disease (2), HRT (n), First degree breast cancer (2), Weight (n), BMI (n), Alcohol (n)

ER+/PR+: 0.64

ER−/PR−: 0.61

None

 Rosner 1996

Caucasian, 30–64 years

Age (n), Menarche (n), Age at first birth (n), Menopause (n), Age at subsequent births (n)

None

None

 Rosner 2008

Caucasian, 30–64 years

Age (n), Menarche (n), Age at first birth (n), Menopause (n), Age at subsequent births (n), Benign breast disease (2), HRT (n), First degree breast cancer (2), Weight (n), BMI (n), Alcohol (n), Estradiol levels (n)

0.65

None

 Zhang 2018

Caucasian 30–64 years

Age (n), Menarche (n), Age at first birth (n), Menopause (n), Age at subsequent births (n), Benign breast disease (2), HRT (n), First degree breast cancer (2), Weight (n), BMI (n), Alcohol (n), Polygenic Risk Score(n), Mammographic density (n), Estrone Sulphate (n), Testosterone (n), Prolactin (n)

0.68

None

IBIS model

 Tyrer 2004

Multiple ethnicities. Age was not specified

Age (n), Gen phenotype (6), Family history (n, relationship, age), Menarche (n), Age at first birth (5), Menopause (n), Atypical Hyperplasia (2), Lobular carcinoma in situ (2), Height (3), BMI (5)

None

None

Other original models

 Barlow 2006

Multiple ethnicities, 35 to 84 years

Age (9), Age at first birth (4), Ethnicity (6), Menopause (2), First degree breast cancer (5), Previous biopsies (4), Breast density (5), HRT (3), BMI (5), Previous false positive or true negative screen result (2), Menopausal status (3)

Pre menopause: 0.63

Post menopause: 0.62

Pre menopause: 1.00

Post menopause: 1.01

 Eriksson 2017

Caucasian, 40–74 years

Age (7), BMI (n), HRT (2), Breast cancer family history (2), Menopause (2), Breast density (4), Microcalcifications (5), Mases (n)

0.71

None

 Ueda 2003

Asian women. Age was not specified.

Age (n), Menarche (3), Age at first birth (5), BMI (2), Breast cancer family history (2)

None

None

 Tyrer 2004

Multiple ethnicities. Age was not specified

Age (n), Gen phenotype (6), Family history (n, relationship, age), Menarche (n), Age at first birth (5), Menopause (n), Atypical Hyperplasia (2), Lobular carcinoma in situ (2), Height (3), BMI (5)

None

None

 Wang 2014

Asian, 35–70 years

Age (7), Menarche (2), Previous biopsies (2), Age at first birth (2), First degree breast cancer (2), Breastfeeding (2), Abortion (2)

0.64

None

  1. aDiscriminatory and calibration accuracy values represents the statistics published in the original articles for the general population Subgroup values are not reported here
  2. bThe original publication reported the Observed/Expected ratio. E/O ratios were calculated based on the original information. AUROC area under the receiver operating characteristic curve. E/O expected/observed, BMI body mass index, HRT hormone replace treatment, ER oestrogen receptor, PR progesterone receptor, BI-RADS Breast Imaging Reporting and Data System. (n): continuous variable in model