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Table 5 Estimated person-years and expected cancer cases, and SIR according to different models, Cohort study in Saarland, Germany, 1990–2005

From: Estimating the standardized incidence ratio (SIR) with incomplete follow-up data

   Male   Female
  Observed Expected SIR
95% confidence interval
Observed Expected SIR
95% confidence interval
   Model 1 Model 2 Model 3 Model 4   Model 1 Model 2 Model 3 Model 4
Person-years   81,193.4 74,377.9 84,907.6 90,510.7   86,557.7 79,308.5 90,505.8 96,200.2
All Cancersa 235 211.0
1.11
0.98, 1.27
189.0
1.24
1.09, 1.41
226.2
1.04
0.91, 1.18
261.1
0.90
0.79, 1.02
235 232.0
1.01
0.89, 1.15
209.7
1.12
0.99, 1.27
244.2
0.96
0.85, 1.09
274.5
0.86
0.75, 0.97
Stomach 27 8.3
3.25
2.14, 4.75
7.5
3.60
2.37, 5.26
8.8
3.07
2.02, 4.48
10.5
2.57
1.68, 3.75
21 6.8
3.09
1.91, 4.73
6.1
3.44
2.13, 5.27
7.1
2.96
1.83, 4.53
8.4
2.50
1.55, 3.83
Colorectal 18 31.0
0.58
0.34, 0.92
27.6
0.65
0.39, 1,03
32.8
0.55
0.33, 0.87
39.1
0.46
0.27, 0.73
39 31.9
1.22
0.87, 1.67
28.6
1.36
0.97, 1.86
33.6
1.16
0.83, 1.59
39.2
0.99
0.71, 1.36
Lung 61 36.2
1.69
1.31, 2.17
32.4
1.88
1.46, 2.42
38.3
1.59
1.24, 2.05
45.0
1.36
1.05, 1.74
6 15.7
0.38
0.14, 0.83
14.1
0.43
0.16, 0.93
16.6
0.36
013, 0,79
18.5
0.32
0.12, 0.71
Breast       57 72.1
0.79
0.61, 1.02
65.3
0.87
0.67, 1.13
75.8
0.75
0.58, 0.97
83.6
0.68
0.53, 0.88
Prostate 35 37.6
0.93
0.65, 1.29
33.3
1.05
0.73, 1.46
40.0
0.88
0.61, 1.22
48.7
0.72
0.50, 1.00
     
Leukaemia 9 5.9
1.53
0.70, 2.90
5.4
1.67
0.76, 3.17
6.3
1.43
0.65, 2.71
7.1
1.27
0.58, 2.41
7 5.2
1.35
0.54, 2.77
4.7
1.49
0.60, 3.07
5.5
1.27
0.51, 2.62
6.2
1.13
0.45, 2.33
  1. aexcept nonmelanoma skin cancer
  2. Model 1– migration based on available data
  3. Model 2 – assuming doubled migration of model 1
  4. Model 3 – assuming halved migration of model 1
  5. Model 4 – raw person-years