Skip to main content

Table 3 Results of cancer incidence analyses in the Seveso population*, 1977-96.

From: Cancer incidence in the population exposed to dioxin after the "Seveso accident": twenty years of follow-up

Cancer sites (ICD-9 code)

Zone A (high exposure)

Zone B (medium exposure)

Zone R (low exposure)

 

N

RR

95% CI

N

RR

95% CI

N

RR

95% CI

All cancers (140-208)

44

1.03

0.76-1.38

270

1.00

0.89-1.13

1808

0.96

0.91-1.00

   Digestive (150-159)

7

0.59

0.28-1.23

79

1.06

0.85-1.33

495

0.94

0.85-1.03

Esophagus (150)

0

-

-

1

0.26

0.04-1.91

35

1.33

0.92-1.92

Stomach (151)

3

0.86

0.28-2.69

19

0.87

0.55-1.37

131

0.84

0.70-1.01

Colon (153)

2

0.68

0.17-2.72

19

1.04

0.66-1.64

137

1.04

0.87-1.26

Rectum (154)

0

-

-

17

1.78

1.09-2.88

71

1.05

0.82-1.35

Liver (155)

0

-

-

14

1.29

0.76-2.20

56

0.74

0.56-0.97

Biliary tract (156)

0

-

-

6

2.28

1.00-5.17

16

0.82

0.49-1.39

Pancreas (157)

1

1.15

0.16-8.19

3

0.56

0.18-1.74

38

0.99

0.70-1.40

Other digestive (159)

1

6.96

0.96-50.6

0

-

-

3

0.46

0.14-1.48

   Respiratory (160-165)

7

0.88

0.42-1.85

48

0.98

0.73-1.30

350

1.02

0.91-1.15

Lung (162)

7

1.12

0.53-2.36

37

0.96

0.69-1.33

280

1.04

0.92-1.19

Pleura (163)

0

-

-

4

3.38

1.22-9.37

5

0.60

0.24-1.50

   Soft tissue sarcoma (171)

0

-

-

0

-

-

9

1.32

0.64-2.73

   Soft tissue and visceral sarcomas

0

-

-

3

0.82

0.26-2.58

24

0.98

0.64-1.51

   Melanoma (172)

1

1.62

0.23-11.61

2

0.50

0.12-2.03

19

0.71

0.44-1.14

Skin (173)

3

1.39

0.45-4.32

5

0.37

0.15-0.90

88

0.93

0.75-1.17

   Breast (174)

8

1.43

0.71-2.87

30

0.85

0.59-1.22

249

1.00

0.88-1.15

   Genito-urinary tract (179-189)

8

1.07

0.53-2.14

46

0.98

0.73-1.31

302

0.91

0.81-1.03

   Uterus (179-182)

4

2.34

0.87-6.27

10

0.93

0.49-1.73

61

0.79

0.60-1.03

Cervix (180)

2

2.67

0.66-10.77

7

1.47

0.69-3.12

28

0.84

0.57-1.25

Endometrium (182)

1

1.24

0.17-8.82

3

0.60

0.19-1.87

27

0.73

0.49-1.10

   Ovary (183)

1

1.11

0.16-7.90

1

0.18

0.02-1.25

45

1.12

0.82-1.54

   Prostate (185)

0

-

-

7

0.94

0.45-1.99

39

0.75

0.54-1.05

   Testis (186)

0

-

-

2

0.82

0.20-3.32

22

1.44

0.90-2.31

   Bladder (188)

3

1.44

0.46-4.49

17

1.33

0.82-2.16

84

0.94

0.75-1.19

   Kidney (189)

0

-

-

6

0.87

0.39-1.96

43

0.90

0.65-1.24

   Brain (191)

2

2.43

0.60-9.79

4

0.76

0.28-2.045

37

1.04

0.73-1.48

Thyroid (193)

1

2.63

0.37-18.86

4

1.60

0.59-4.36

19

1.15

0.70-1.89

Lymphatic and hematopoietic tissue

(200-208)

4

1.39

0.52-3.71

29

1.56

1.07-2.27

121

0.96

0.79-1.16

   All lymphoma (200-202)

1

0.62

0.09-4.41

15

1.43

0.86-2.40

72

1.02

0.80-1.32

   Hodgkin's disease (201)

0

-

-

3

1.20

0.38-3.78

23

1.46

0.91-2.29

   Non-Hodgkin's lymphoma (200, 202)

1

0.80

0.11-5.69

12

1.51

0.85-2.69

49

0.90

0.66-1.22

   Multiple myeloma (203)

1

2.88

0.40-20.70

6

2.77

1.2-6.32

18

1.15

0.70-1.91

   Leukemia (204-208)

2

2.18

0.54-8.76

8

1.35

0.66-2.73

31

0.77

0.53-2.12

   Lymphatic leukemia (204)

1

2.78

0.39-19.9

0

-

-

13

0.83

0.46-1.48

   Myeloid leukemia (205)

1

2.23

0.31-15.99

7

2.41

1.12-5.18

15

0.76

0.44-1.30

   Leukemia, unspecified (208)

0

-

-

1

2.16

0.29-16.10

2

0.61

0.14-2.60

  1. *Subjects aged < 75 years, resident in the area at the accident time.
  2. ICD-9: International Classification of Diseases, Ninth Revision; N: number of cases; RR: rate ratios calculated with Poisson regression, adjusted for gender, age category, and period; 95% CI: 95% confidence interval.