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Table 3 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

645

554.8

1.162 (1.076–1.254)

<0.001

310

301.3

1.029 (0.921–1.147)

0.635

All cancers

129

109.7

1.176 (0.991–1.388)

0.072

85

86.4

0.984 (0.796–1.204)

0.925

Leukemia

8

7.6

1.053 (0.541–1.897)

0.971

3

5.3

0.565 (0.205–1.361)

0.433

Solid cancers

113

97.4

1.160 (0.965–1.384)

0.126

79

78.5

1.007 (0.808–1.240)

0.999

Stomach

28

32.6

0.859 (0.596–1.205)

0.471

20

24.2

0.825 (0.536–1.224)

0.448

Colon

5

5.5

0.903 (0.398–1.850)

0.988

4

4.6

0.861 (0.350–1.888)

0.947

Liver

39

16.3

2.400 (1.759–3.210)

<0.001

7

2.5

2.809 (1.386–5.241)

0.011

Lung

14

11.0

1.272 (0.763–2.020)

0.453

5

5.0

1.007 (0.443–2.062)

0.834

Female breast

13

11.2

1.156 (0.681–1.864)

0.708

Uterus

7

5.9

1.188 (0.586–2.217)

0.802

  1. Data refer to Hiroshima and Nagasaki, both sexes, aged 0–14 at time of bombing, 1950–1990 (VLD 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