Table 1 Validity of potential indicators for lung and colorectal cancer compared with the NSW Cancer Registry, February 2006 to December 2010

 APDC diagnosis of cancer

2338

91%

95%

99.9%

968

85%

81%

100.0%

 APDC diagnosis of history of primary cancer

2487

24%

26%

99.5%

166

23%

4%

100.0%

 APDC surgical resection

3376

54%

81%

99.4%

400

60%

23%

99.9%

 APDC chemotherapy

1333

12%

7%

99.6%

1333

6%

7%

99.5%

 APDC radiotherapy

456

4%

1%

99.8%

456

14%

6%

99.9%

 EDDC diagnosis of primary cancer

27

44%

1%

100.0%

56

50%

3%

100.0%

 MBS surgical resection

1793

59%

47%

99.7%

310

45%

14%

99.9%

 MBS radiotherapy item

6051

3%

9%

97.8%

6051

5%

33%

97.9%

 MBS chemotherapy item

4940

12%

27%

98.4%

4940

7%

35%

98.3%

 PBS chemotherapy drug item

1663

46%

34%

99.7%

2082

14%

28%

99.3%

 COD-URF death record with primary cancer type

364

36%

6%

99.9%

609

62%

37%

100.0%

 APDC cancer diagnosis or history of cancer

3254

65%

94%

99.6%

1016

81%

81%

99.9%

 APDC cancer diagnosis or surgery

3738

57%

95%

99.4%

1119

74%

81%

99.9%

 APDC cancer diagnosis and surgery

1933

94%

80%

100.0%

246

96%

23%

100.0%

 APDC cancer diagnosis and APDC chemotherapy or radiotherapy

201

83%

7%

100.0%

145

83%

12%

100.0%

 APDC or EDDC diagnosis of primary cancer

2345

91%

95%

99.9%

980

84%

81%

100.0%

 MBS or PBS chemotherapy or radiotherapy

9144

9%

38%

96.9%

9178

5%

49%

96.8%

 APDC cancer diagnosis and MBS/PBS chemotherapy or radiotherapy

963

86%

37%

100.0%

526

79%

41%

100.0%

 APDC cancer diagnosis and COD-URF primary cancer

242

52%

6%

100.0%

483

71%

34%

100.0%

 APDC cancer diagnosis or COD-URF primary cancer

2370

90%

95%

99.9%

1042

83%

84%

99.9%