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Table 5 Standardized mortality ratio of LSS group compared with JPCG for selected cancers

From: Cancer mortality among atomic bomb survivors exposed as children

Cause of death

Male

Female

O a

E b

SMRc (95% CI)

p valued

O a

E b

SMRc (95% CI)

p valued

All deaths

256

210.5

1.216 (1.076–1.370)

0.002

187

136.3

1.372 (1.189–1.576)

<0.001

All cancers

75

40.9

1.835 (1.465–2.273)

<0.001

81

39.0

2.075 (1.670–2.550)

<0.001

Leukemia

21

3.0

7.097 (4.660–10.439)

<0.001

11

2.4

4.619 (2.604–7.723)

<0.001

Solid cancers

53

36.2

1.466 (1.122–1.886)

0.007

69

35.5

1.944 (1.537–2.429)

<0.001

Stomach

14

12.1

1.152 (0.691–1.830)

0.698

19

10.9

1.737 (1.117–2.600)

0.022

Colon

2

2.1

0.963 (0.298–2.683)

0.769

2

2.1

0.952 (0.295–2.653)

0.783

Liver

13

5.9

2.193 (1.291–3.537)

0.007

1

1.1

0.880 (0.213–3.245)

0.733

Lung

5

4.1

1.230 (0.542–2.519)

0.829

3

2.2

1.335 (0.485–3.214)

0.866

Female breast

–

–

–

–

21

5.1

4.145 (2.721–6.096)

<0.001

Uterus

–

–

–

–

2

2.7

0.745 (0.230–2.075)

0.910

  1. Data refer to Hiroshima and Nagasaki, both sexes, aged 0–14 at time of bombing, 1950–1990 (HD group)
  2. aObserved number of deaths
  3. bExpected number of deaths
  4. cRisk among Hiroshima and Nagasaki survivors in LSS relative to Japanese people
  5. dChi-square test
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Environmental Health and Preventive Medicine

ISSN: 1347-4715

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