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Table 4 Number of all cancers and selected cancer sites among women only in the high - temperature geothermal areas, hazard ratio (HR), 95% confidence intervals (CI) according to comparison with the populations in warm reference area and cold reference area, adjusted for age, gender, education, and type of housing

From: Incidence of cancer among residents of high temperature geothermal areas in Iceland: a census based study 1981 to 2010

Cancers (ICD-10)

Geothermal areas

Warm reference area

Cold reference area

 

p-yr 17,526

p-yr 627,500

p-yr 271,213

 

No of cancer

HR

95%CI

HR

95%CI

All sites (C00-C97 and D45-D47)

94

1.27

1.03 to 1.56

1.30

1.05 to 1.61

Stomach (C16)

3

1.33

0.42 to 4.22

1.55

0.46 to 5.14

Colon, rectum and anus (C18-C21)

7

1.16

0.54 to 2.46

1.24

0.57 to 2.70

Bile and liver (C22-C24)

1

1.54

0.21 to 11.56

0.82

0.11 to 6.17

Pancreas (C25)

4

2.68

0.96 to 7.45

2.26

0.78 to 6.52

Lung and bronchus (C33-C34)

11

1.56

0.85 to 2.86

1.26

0.68 to 2.33

Bone (C40-C41)

2

7.95

1.70 to 37.23*

7.20

1.30 to 39.96*

Melanoma (C43)

2

0.85

0.21 to 3.46

0.85

0.20 to 3.53

Other cancer of skin (C44)

1

0.48

0.07 to 3.43

0.66

0.09 to 4.91

Soft tissue sarcoma (C49)

1

2.21

0.29 to 16.90

1.62

0.20 to 12.90

Breast (C50)

31

1.46

1.02 to 2.09

1.62

1.12 to 2.36

Vulva (C51)

1

4.03

0.50 to 32.36

2.96

0.34 to 25.58

Cervix uteri (C53)

2

0.85

0.21 to 3.45

1.04

0.25 to 4.37

Uterus (C54-C55)

3

0.82

0.26 to 2.60

0.88

0.27 to 2.82

Ovary (C56-C57)

5

1.25

0.51 to 3.05

1.25

0.50 to 3.12

Kidney (C64-C66)

3

1.04

0.33 to 3.29

1.27

0.39 to 4.16

Bladder (C67)

1

0.67

0.09 to 4.85

0.65

0.09 to 4.85

Brain and central nervous system (C70-C72, C75.1 and C75.3)

3

1.01

0.32 to 3.20

1.11

0.34 to 3.62

Thyroid gland (C73)

5

1.92

0.78 to 4.74

1.65

0.65 to 4.18

Cancer without specification of site (C80)

1

0.55

0.08 to 4.01

0.56

0.08 to 4.11

Lymphoid and haematopoietic tissue (C81-C96 and D45-D47)

7

1.46

0.68 to 3.12

1.66

0.76 to 3.63

Hodgkins lymphoma (C81)

1

2.13

0.28 to 16.22

4.42

0.49 to 39.63

Non-Hodgkins lymphoma (C82-C85)

5

3.31

1.32 to 8.34

5.20

1.87 to 14.45

Immunoproliferative diseases (C88)

1

4.38

0.54 to 35.34

11.92

0.72 to 197.59

Not included in all cancers

p-yr 18,143

p-yr 641,643

 

p-yr 276,719

 

Basal cell carcinoma of the skin

15

1.24

0.74 to 2.08

1.45

0.85 to 2.47

  1. Abbreviation: p-yr, person years.
  2. * 95% CI computed with bootstrap method were wide and included unity.
  3. Statistically significant HRs are bolded.