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. 2012 Dec 27;5:700. doi: 10.1186/1756-0500-5-700

Table 2.

Accuracy of primary data (BCQDB) in comparison to external databases, period 2003-04

 
 Secondard data
 Primary data
 95% Confidence interval
 Test-statistic
Variable-level TRM (θ1) BCQDB ( θ2) Lower bound (θ2) Upper bound (θ2) p-value
00-49 years
 18.9
 22.4
 17.9
 27.5
 ns
50-69 years
 53.4
 47.4
 41.8
 53.1
 0.035
≥ 70 years
 27.6
 30.1
 25.1
 35.6
 ns
Involved lymph nodes 0
 61.1
 68.4
 62.7
 73.8
 0.011
Involved lymph nodes 1-3
 23.0
 20.0
 15.5
 25.1
 ns
Involved lymph nodes 4-9
 9.9
 7.4
 4.6
 11.0
 ns
Involved lymph nodes >10
 6.0
 4.2
 2.2
 7.2
 ns
pTis (non-invasive)
 7.0
 6.7
 4.2
 10.1
 ns
pT1 (≤ 2cm)
 53.0
 53.8
 48.1
 59.5
 ns
pT2 (≤ 5cm)
 31.4
 31.1
 26.0
 36.5
 ns
pT3 (> 5cm)
 3.9
 2.9
 1.3
 5.4
 ns
pT4 (involving other areals)
 4.7
 5.4
 3.2
 8.6
 ns
pTis | 0–49 years
 7.0
 7.1
 2.4
 15.9
 ns
pT1 | 0–49 years
 57.5
 64.3
 51.9
 75.4
 ns
pT2 | 0–49 years
 29.9
 27.1
 17.2
 39.1
 ns
pT3 | 0–49 years
 3.4
 1.4
 0.0
 7.7
 ns
pT4 | 0–49 years*
 1.5
 -
 -
 -
 -
pTis | 50–69 years
 8.2
 8.8
 4.8
 14.6
 ns
pT1 | 50–69 years
 57.2
 56.1
 47.7
 64.2
 ns
pT2 | 50–69 years
 28.5
 28.4
 21.3
 36.4
 ns
pT3 | 50–69 years
 3.3
 3.4
 1.1
 7.7
 ns
pT4 | 50–69 years
 2.8
 3.4
 1.1
 7.7
 ns
pTis | ≥70 years
 4.2
 3.2
 0.7
 9.0
 ns
pT1 | ≥70 years
 41.9
 42.6
 32.4
 53.2
 ns
pT2 | ≥70 years
 38.1
 38.3
 28.5
 48.9
 ns
pT3 | ≥70 years
 5.4
 4.3
 1.2
 10.5
 ns
pT4 | ≥70 years
 10.5
 11.7
 6.0
 20.0
 ns
Grading 1 (G1)
 12.5
 13.5
 9.8
 18.0
 ns
Grading 2 (G2)
 55.2
 72.0
 66.4
 77.1
 <0.001
Grading 3 (G3)
 32.3
 14.5
 10.7
 19.1
 <0.001
Variable-level
 GKR (θ1)
 BCQDB ( θ2)
 Lower bound (θ2)
 Upper bound (θ2)
 p-value
00-49 years
 20.6
 22.4
 17.9
 27.5
 ns
50-69 years
 49.8
 47.4
 41.8
 53.1
 ns
≥ 70 years
 29.6
 30.1
 25.1
 35.6
 ns
pTis (non-invasive)
 7.8
 6.7
 4.2
 10.1
 ns
pT1 (≤ 2cm)
 44.4
 53.8
 48.1
 59.5
 <0.001
pT2 (≤ 5cm)
 36.7
 31.1
 26.0
 36.5
 0.04
pT3 (> 5cm)
 4.9
 2.9
 1.3
 5.4
 ns
pT4 (involving other areals)
 6.3
 5.4
 3.2
 8.6
 ns
pTis | 0–49 years
 8.4
 7.1
 2.4
 15.9
 ns
pT1 | 0–49 years
 46.8
 64.3
 51.9
 75.4
 0.003
pT2 | 0–49 years
 36.4
 27.1
 17.2
 39.1
 ns
pT3 | 0–49 years
 5.1
 1.4
 0.0
 7.7
 ns
pT4 | 0–49 years
 3.2
 -
 -
 -
 -
pTis | 50–69 years
 9.0
 8.8
 4.8
 14.6
 ns
pT1 | 50–69 years
 47.6
 56.1
 47.7
 64.2
 0.039
pT2 | 50–69 years
 33.8
 28.4
 21.3
 36.4
 ns
pT3 | 50–69 years
 4.5
 3.4
 1.1
 7.7
 ns
pT4 | 50–69 years
 2.8
 3.4
 1.1
 7.7
 ns
pTis | ≥70 years
 5.3
 3.2
 0.7
 9.0
 ns
pT1 | ≥70 years
 37.3
 42.6
 32.4
 53.2
 ns
pT2 | ≥70 years
 41.6
 38.3
 28.5
 48.9
 ns
pT3 | ≥70 years
 5.5
 4.3
 1.2
 10.5
 ns
pT4 | ≥70 years 10.3 11.7 6.0 20.0 ns

(θ) Population parameter in percent, (TRM) Munich Tumor Register 11/2008 (Tumor Center Munich 2008), (BCQDB) Breast Cancer Query Register, Marburg, Germany, (GKR) Common Cancer Registers of the states Berlin, Brandenburg, Mecklenburg-Vorpommern, Saxony-Anhalt, Saxony and Thuringa (GKR, 2008). (Tumorsize | age) Percent of patients with tumorsize conditional on age groups, (−) No data.