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Table 2 Comparison of information on tumour size (pT) and lymph node involvement (pN) between the Belgian Cancer Registry (BCR) database and detailed pathological reports (PAT)

From: Combining data to perform population-based observational studies: know your sources. The case of thyroid cancer in Belgium

  

BCR

  

pT1

pT2

pT3

pT4

pT category reported

pTx

total

PAT

pT1

989

23

2

0

1014

286

1300

 

pT2

15

315

6

1

337

64

401

 

pT3

8

3

280

2

293

39

332

 

pT4

0

1

4

79

84

21

105

 

pT category reported

1012

342

292

82

1728

410

2138

 

pTx

31

13

14

4

62

200

262

 

total

1043

355

306

86

1790

610

2400

  

pN0

pN1

pN1a

pN1b

pN category reported

pNx

total

 

pN0

254

3

2

0

259

45

304

 

pN1

0

33

3

1

37

9

46

 

pN1a

2

19

75

3

99

13

112

 

pN1b

3

16

6

115

140

22

162

 

pN category reported

259

71

86

119

535

89

624

 

pNx

202

10

3

8

223

1553

1776

 

total

461

81

89

127

758

1642

2400