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Table 3 Distribution of HER2 scores across administrative regions and pathology departments

From: High inter-laboratory variability in the assessment of HER2-low breast cancer: a national registry study on 50,714 Danish patients

HER2 score

0

1+

2+

3+

NA

In total

N

% (excl. NA)

N

% (excl. NA)

N

% (excl. NA)

N

% (excl. NA)

N

%

N

Capital Region

4018

25.4 (26.0)

6834

43.1 (44.2)

2739

17.3 (17.7)

1858

11.7 (12.0)

393

2.5

15,842

 Dept. 1

1996

26.3 (26.6)

3286

43.4 (43.8)

1316

17.4 (17.5)

909

12.0 (12.1)

69

0.9

7576

 Dept. 2

1944

24.4 (25.2)

3464

43.4 (44.9)

1384

17.3 (17.9)

921

11.5 (11.9)

269

3.4

7982

 Dept. 3

78

27.5 (34.1)

84

29.6 (36.7)

39

13.7 (17.0)

28

9.9 (12.2)

55

19.4

284

Zealand

2497

30.9 (31.5)

3341

41.3 (42.1)

1182

14.6 (14.9)

911

11.3 (11.5)

153

1.9

8084

 Dept. 4

2497

30.9 (31.5)

3341

41.3 (42.1)

1182

14.6 (14.9)

911

11.3 (11.5)

153

1.9

8084

Southern Denmark

2880

24.6 (24.8)

6250

53.4 (53.8)

1206

10.3 (10.4)

1289

11.0 (11.1)

75

0.6

11,700

 Dept. 5

1128

33.6 (33.9)

1523

45.4 (45.8)

331

9.9 (10.0)

344

10.3 (10.3)

29

0.9

3355

 Dept. 6

653

25.7 (25.8)

1430

56.3 (56.5)

169

6.7 (6.7)

277

10.9 (11.0)

10

0.4

2539

 Dept. 7

337

15.2 (15.3)

1295

58.3 (58.8)

343

15.4 (15.6)

229

10.3 (10.4)

18

0.8

2222

 Dept. 8

762

21.3 (21.4)

2002

55.9 (56.1)

363

10.1 (10.2)

439

12.2 (12.3)

18

0.5

3584

Central Denmark

1988

19.3 (20.4)

4235

41.1 (43.4)

2427

23.5 (24.9)

1105

10.7 (11.3)

557

5.4

10,312

 Dept. 9

621

16.7 (17.9)

1554

41.9 (44.7)

970

26.2 (27.9)

330

8.9 (9.5)

234

6.3

3709

 Dept. 10

101

13.6 (21.7)

243

32.7 (52.3)

50

6.7 (10.8)

71

9.6 (15.3)

278

37.4

743

 Dept. 11

215

10.6 (10.7)

886

43.7 (44.0)

625

30.8 (31.0)

287

14.2 (14.3)

14

0.7

2027

 Dept. 12

1051

27.4 (27.6)

1552

40.5 (40.8)

782

20.4 (20.6)

417

10.9 (11.0)

31

0.8

3833

Northern Denmark

1603

33.6 (37.4)

1667

34.9 (38.9)

475

9.9 (11.1)

537

11.2 (12.5)

494

10.3

4776

 Dept. 13

1126

36.4 (38.1)

1191

38.5 (40.3)

306

9.9 (10.4)

329

10.6 (11.1)

145

4.7

3097

 Dept. 14

477

28.4 (35.9)

476

28.4 (35.8)

169

10.1 (12.7)

208

12.4 (15.6)

349

20.8

1679

In total

12,986

25.6 (26.5)

22,327

44.0 (45.5)

8029

15.8 (16.4)

5700

11.2 (11.6)

1672

3.3

50,714

  1. NA not available