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Table 1 Distribution of incident breast cancer (BC) by country, estrogen receptor (ER) status, and baseline menopausal status among the women from the European Prospective Investigation into Cancer and Nutrition (EPIC) and Women’s Health Initiative (WHI) studies

From: Risk prediction for estrogen receptor-specific breast cancers in two large prospective cohorts

 

Number

Age at recruitment (years)

Years of follow-up

Incident BC

Crude incidence rate (/105 person-years)

Premenopausal

Postmenopausal

ER+

ER-

Indefinite

BC

ER+

ER-

Indefinite

BC

EPIC study

 France

68,707

51.5

14.7

3386

382

1232

323

221

1776

1150

254

206

1610

 Italy

27,851

52.0

15.0

1135

287

401

88

92

581

402

70

82

554

 Spain

20,298

50.2

16.7

556

171

164

43

92

299

148

38

71

257

 UK

35,349

52.3

16.1

1602

300

328

76

267

671

475

65

391

931

 Netherlands

22,601

54.8

15.0

975

305

206

35

143

384

333

55

203

591

 Greece

11,337

55.6

11.7

201

158

19

6

44

69

35

3

94

132

 Germany

22,085

52.6

11.6

743

322

198

52

49

299

308

73

63

444

 Sweden

9142

50.5

16.4

370

247

143

38

38

219

87

27

37

151

 Denmark

29,309

56.3

16.4

1887

428

257

61

100

418

921

207

341

1469

 Norway

34,651

48.0

14.1

1212

263

245

54

480

779

158

30

245

433

 Total

281,330

52.1

14.7

12,067

312

3193

776

1526

5495

4017

822

1733

6572

WHI study

82,319

63.2

8.2

2951

457

2276

421

254

2951