Skip to main content

Table 1 Numerator (n), crude cumulative incidences (CCI) and age standardized cumulative incidences (ACI) per 100,000 insured persons for breast, prostate and colorectal cancer in 2013

From: The impact of the lookback period and definition of confirmatory events on the identification of incident cancer cases in administrative data

Algorithm

Description

Breast cancer (women)

Denominator: n = 4,093,251

Prostate cancer (men)

Denominator: n = 2,670,298

Colorectal cancer (overall)

Denominator: n = 6,763,549

Num. (n)

CCI per 100,000

ACI per 100,000

Num. (n)

CCI per 100,000

ACI per 100,000

Num. (n)

CCI per 100,000

ACI per 100,000

1. L1-C1

Baseline algorithm, lookback 1 year, confirmation 1 quarter

10,312

251.9

138.7

6200

232.2

103.6

6513

96.3

42.1

2. L2-C1

Lookback 2 years

9826

240.1

133.5

5916

221.5

99.4

6172

91.3

40.1

3. L3-C1

Lookback 3 years

9646

235.7

131.6

5790

216.8

97.6

6011

88.9

39.2

4. L4-C1

Lookback 4 years

9548

233.3

130.6

5730

214.6

96.6

5940

87.8

38.8

5. L5-C1

Lookback 5 years

9478

231.6

129.8

5690

213.1

96.1

5887

87.0

38.5

6. L6-C1

Lookback 6 years

9439

230.6

129.3

5646

211.4

95.4

5857

86.6

38.3

7. L7-C1

Lookback 7 years

9409

229.9

129.0

5623

210.6

95.1

5842

86.4

38.3

8. L1-C4

Confirmation 4 quarters

11,199

273.6

151.3

6884

257.8

114.9

7213

106.6

46.8

9. L7-C4

Lookback 7 years, confirmation 4 quarters

9866

241.0

136.0

6077

227.6

102.9

6335

93.7

41.6

10. L1-C0

No confirmatory event required

13,810

337.4

195.5

8378

313.7

142.3

9686

143.2

67.2

11. L7-C0

Lookback 7 years, no confirmatory event required

11,728

286.5

169.7

7224

270.5

124.5

8382

123.9

59.1

12. L1-C1-ed

Exclusion of death as confirmatory event

10,135

247.6

137.2

6032

225.9

101.4

5994

88.6

39.5

13. L7-C1-ed

Lookback 7 years, exclusion of death as confirmatory event

9261

226.3

127.7

5478

205.1

93.2

5360

79.2

35.8

14. L1-C4-su

Confirmation 4 quarters, surgery as required confirmatory event

8162

199.4

114.9

N/A

N/A

N/A

5645

83.5

37.1

15. L7-C4-su

Lookback 7 years, confirmation 4 quarters, surgery as required confirmatory event

8015

195.8

113.1

N/A

N/A

N/A

5341

79.0

35.2

  1. Main analysis: All insured persons with a minimum of 7 years of continuous insurance on 01 January 2013
  2. Specification of the algorithms: L1 to L7 length of lookback period, C0, C1 and C4 length of confirmation period, ed exclusion of death as confirmatory event, su surgery as required confirmatory event