Table 3

Overall actual and predicted mortality in Eastern Cancer Registration and Information Centre cohort

Year 5 deaths*

Year 8 deaths*


Group

N

%

A

P

Mortality

Difference

A

P

Mortality

Difference

AUC

SE


Total

5,694

100.00

841

890

0.86

1,075

1,082

0.12

0.81

0.007

Age, years

<35

111

1.95

28

23

4.5

31

27

3.6

0.83

0.044

35 to 49

1,172

20.58

150

171

1.79

187

209

1.88

0.81

0.017

50 to 64

2,630

46.19

270

289

0.72

354

359

0.19

0.80

0.013

65 to 74

1,124

19.74

176

191

1.33

227

233

0.53

0.79

0.019

75+

657

11.54

217

216

0.15

276

254

3.35

0.68

0.021

Nodal status

Negative

3,532

62.03

297

350

1.5

408

433

0.71

0.76

0.013

Positive

2,162

37.97

544

541

0.14

667

649

0.83

0.80

0.010

Tumour size, mm

<10

625

10.98

30

39

1.44

41

49

1.28

0.75

0.038

10 to 19

2,310

40.57

194

222

1.21

267

280

0.56

0.75

0.017

20 to 29

1,627

28.57

277

283

0.37

363

347

0.98

0.79

0.013

30 to 49

845

14.84

215

226

1.3

259

270

1.3

0.76

0.018

50+

287

5.04

125

119

2.09

145

136

3.14

0.82

0.024

Grade

I

1,005

17.65

38

64

2.59

55

82

2.69

0.76

0.035

II

2,927

51.40

331

357

0.89

455

445

0.34

0.77

0.013

III

1,762

30.94

472

470

0.11

565

555

0.57

0.77

0.012

Oestrogen Receptor (ER) Status

Negative

991

17.40

321

318

0.3

364

353

1.11

0.77

0.016

Positive

4,703

82.60

520

572

1.11

711

729

0.38

0.80

0.009


* Number of deaths after censoring follow up at five and eight years after diagnosis.

† Predicted number of deaths rounded to nearest whole number

Wishart et al. Breast Cancer Research 2010 12:R1   doi:10.1186/bcr2464

Open Data